drift n. 1.漂亮;(潮流的)推進力。 2.漂流物;吹積物;堆積物;【地質(zhì)學(xué);地理學(xué)】冰磧,漂礫。 3.傾向,趨勢;動向。 4.大意,要點,要旨。 5.(政策等的)坐觀,放任自流。 6.流速;(船等的)流程,漂流距離;(滑車的)伸展距離。 7.(儀表的)漂移;偏移;【海,空】偏航,偏流;(飛彈的)航差;【無線電】偏移;偏差。 8.【礦物】水平巷道;小平道。 9.〔南非〕淺灘,灘。 10.【機械工程】沖頭,沖孔器;打樁器。 11.〔方言〕(鳥等)群。 against the drift of a current 頂著潮流的壓力。 be in a state of drift 心不自主,放任自流。 D- is as bad as unthrift. 放任自流和浪費一樣壞。 a policy of drift 放任主義[政策]。 a drift of snow [leaves] 吹積成的雪[樹葉]堆。 the amount of drift (船的)漂流距離。 a drift toward nationalism 民族主義的傾向。 the drift of an argument 爭論的要點。 catch the drift of a talk 抓住談話的要點。 a drift of ice 流冰。 a drift of sheep 羊群。 the drift of Nature 造化的威力。 electronic drift 電子(儀器)的漂移。 vt. 1.使漂流;使漂積[沖積];把…吹積;(吹積物等)覆蓋。 2.【機械工程】(用沖頭)沖孔。 The current drift-ed the boat to sea. 水流把船沖到海里去了。 a trail drift-ed with leaves 滿是落葉的小道。 The wind drifted the snow. 風(fēng)把雪吹成小堆。 vi. 1.漂,漂流;漂移;游蕩。 2.被吹積成堆。 3.心不由主地走;不知不覺地陷入 (into) 漸漸趨向 (toward)。 perfume drifting into the room 飄進屋里的香氣。 drift toward ruin 逐漸走向毀滅[破產(chǎn)]。 He drifted from town to town. 他在各個城市流浪。 drifting sand 吹積成的沙堆。 drift apart from sb. 逐漸疏遠某人。 drift off to sleep 慢慢地睡著了。 drift down the river 順流而下。 drift (along) (through life) 隨波逐流地過一輩子。 drift into (errors) 不自覺地犯了錯誤。 let things drift 聽天由命。
about adv. 1.大約,差不多;前后,左右。 About a mile 大約一英里。 That's about right. 大致不差。 That's about (the size of) it. 就是那么一回事;大概如此。 It is about finished 差不多要完成[終結(jié)]。 2.周圍,四面;到處。 Look about 四顧。 3.活動;盛行,到處散布,傳布。 The news is going about. 消息正在傳開。 4.繞著,圍著,倒轉(zhuǎn),掉轉(zhuǎn)。 Round about 掉轉(zhuǎn),回頭,倒過來。 Face about (使)轉(zhuǎn)過來。 Put the ship about 把船倒過頭來。 The wrong way about 相反,倒轉(zhuǎn)過來。 5.附近;〔古語〕周圍。 Is the manager about 經(jīng)理在嗎? There is no one about. 附近無人。 A mile about 周圍一英里。 6.〔接帶 to 的不定式〕將要。 1.在…周圍。 About the neck 繞著脖子,圍在頸上。 2.在…附近,在…身邊,手頭。 Somewhere about here 在此地附近。 I have no money about me. 我身邊無錢。 3.前后,左右;大概。 About noon 正午前后。 4.對于,關(guān)于。 Talk about sb. 談?wù)撃橙恕?He is most particular about being conscientious. 他最講究認真。 5.從事于。 What are you about 你在干什么? adj.〔用作表語〕傳播,流行。 Rumour is about. 謠言紛紛。 About and about 〔美俚〕差不多,大致相同。 (Right) about face 〔美國〕向后轉(zhuǎn)! About turn 〔英國〕向后轉(zhuǎn)。 Be about 1. 起來;活動;動手,做事 (Butterflies are about early this year. 今年蝴蝶活動得早。 He is not yet (up and) about . 他還沒有起來,還未動手。 Mind what you are about! 當心!注意!)2.散布,傳播,流行。Be about to 準備,將要,正打算 (He is about to speak. 他正打算說話)。 Go about 1. 正要,將要。 2. 使(船)掉頭。 Go a long way about 繞很多路。 Much about 幾乎。 Out and about 從事日常工作,(病后等)起來做事。 Set about 動手,著手。 Take turns about 輪流。 Turn and turn about 交互。
She was drifting about europe, so handicapped and lonely 她就這樣無依無靠,這樣孤零零地在歐洲漂泊。
He drifted about the house like a rudderless vessel in a rocky stream . 他在屋里轉(zhuǎn)來轉(zhuǎn)去,象一艘沒有舵的小船在布滿礁石的河流中飄蕩。
These boys drifted about doing nothing 這些孩子到處閑逛,無所事事。
My son came home with a whole skin after he drifted about from place to place for six or seven years 我的兒子到處漂泊,過了六七年安然無恙地回到家中。
At recess tom continued his flirtation with amy with jubilant self - satisfaction . and he kept drifting about to find becky and lacerate her with the performance 他走來竄去想讓貝基看見,以此來激怒她,傷她的心。
Newcastle line up against me defensive as i am one of the better sides in the league now , but you get the drift about what i mean with scout reports hopefully 紐卡斯爾對我打出防守的陣形因為我是聯(lián)賽中更強的隊伍,不過你已經(jīng)從我對球探報告的理解中得到了一些有作用的信息。
The game introduce : a pitiful mendicant drifts about street , at christmas night , the santa clauses all take a gift be distribute , you can knock down them and just can get hold of a gift with snow ball , the damned baldheaded rascal wants to humiliate you , so leave them a little bit and far 游戲介紹:一個可憐的乞丐流落街頭,在圣誕夜,圣誕老人們都拿著禮品在分發(fā),你只能用雪球打倒他們才可以拿到禮品,可惡的光頭惡棍要來欺負你,所以離他們遠一點。
Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper , carried on intact summing up to the data in the system , having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram , give solution that many pieces of sdram works togetherses of realizing heavy capacity , designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus , optimize back end state machine design and urge procedure making with lower , giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices , due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal , method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo 本文首先對數(shù)字減影血管造影( dsa )成像系統(tǒng)的組成結(jié)構(gòu)和數(shù)據(jù)流向進行了深入研究和分析,并對系統(tǒng)中的數(shù)據(jù)流向進行了完整的歸納和總結(jié),給出了x線數(shù)字成像系統(tǒng)中的高速大容量數(shù)據(jù)通道的設(shè)計方案;在對sdram的控制方式做了深入探討后,給出了實現(xiàn)大容量多條sdram共同工作的解決方案,在此基礎(chǔ)上設(shè)計了大容量幀存板實現(xiàn)對圖象數(shù)據(jù)進行高速存儲;通過對pci總線接口的深入研究,優(yōu)化后端狀態(tài)機設(shè)計和低層驅(qū)動程序開發(fā),給出了完整的pci接口方案實現(xiàn)高速dma數(shù)據(jù)傳輸,完全可以滿足視頻傳輸要求;深入研究了基于大規(guī)模可編程器件的數(shù)字系統(tǒng)設(shè)計方法,針對通用fifo使能信號漂移、輸出數(shù)據(jù)難于建立和保持等設(shè)計難點,提出了利用fpga中的鎖相環(huán)提供多個時鐘相移的信號來提高系統(tǒng)穩(wěn)定性的解決方案,從而實現(xiàn)利用fifo來協(xié)調(diào)系統(tǒng)各模塊之間的數(shù)據(jù)高速傳輸。