swallow n. 【鳥類】燕子。 One swallow does not make a summer. 一只燕子不成夏天,不可光憑偶然現(xiàn)象就下斷語(yǔ)。 swallow dive 燕式跳水。 swallow coat 燕尾服。 swallow's nest 燕子的窩;燕窩;高處的東西;高地炮兵陣地,高地射擊隊(duì)[便衣隊(duì)]。 vt. 1.吞,咽 (down up in)。 2.輕信,囫圇吞棗地不加考慮。 3.淹沒 (up)。 4.忍耐,忍受(侮辱)。 5.收回(前言)。 6.耗盡,用盡,消盡。 vi. 吞,咽。 Such stories are rather hard to swallow. 這種故事很難相信。 swallow hook, line, and sinker 〔美俚〕輕信。 The expenses swallow up most of the profits. 花費(fèi)大而利潤(rùn)少。 swallow a camel 吞下駱駝〔隱忍無(wú)法無(wú)天的事情等〕。 swallow one's teeth 〔美國(guó)〕,swallow one's words 收回前言,認(rèn)錯(cuò)道歉。 swallow the anchor 永遠(yuǎn)脫離航海生活;〔美俚〕離開美國(guó)海軍。 swallow the bait 上鉤,上當(dāng)。 swallow up 吞下去;卷進(jìn)去;耗盡。 n. 1.吞咽;一咽,一吞。 2.胃管,食道;咽喉,喉嚨。 3.吸孔。 4.【航?!?滑車等的)通索孔。 at one swallow 一口就。 have a small swallow食道狹窄。 take a swallow of 吞一口。 adj. -able 可吞食的。
The brick cutter including swallow - tailed slide is substituted for bar slide 該機(jī)采用燕尾式作滑道結(jié)構(gòu)代替滑桿式結(jié)構(gòu)的新一代切坯機(jī)。
Uncle sam is often caricatured as a tall , thin man with red and white striped pants , a swallow - tailed coat , and a tall , silk hat 漫畫中的山姆大叔常畫成又高又瘦,穿著紅白條紋的褲子,燕尾服,戴一頂高高的絲禮帽。
Uncle sam is often caricatured as a tall , thin man with red and white striped pants , a swallow - tailed coat , and a tall , silk hat 漫畫中的山姆大叔常畫成又高又瘦,穿著紅白條紋的褲子,燕尾服,戴一頂高高的絲禮帽。
2 . 40 - red and white swallow - tail belonging to the grass type , the red and white swallow - tail s single caudal fin is long , broad and deeply forked , resembling a swallow s tail 40 -紅白燕尾紅白燕尾屬草種。尾鰭寬長(zhǎng),分叉如燕尾,泳姿曼妙。
The results show that : ( a ) the influence of the groove shape on the low cut - off frequency is great at certain groove depth ; the high cut - off frequency is gradually lowered from triangle profile , cosine profile to swallow - tailed profile 結(jié)論為: ( 1 )槽深較大情況下,槽形狀對(duì)截至頻率影響較大,槽形狀從三角形變化到燕尾形,截至頻率依次降低。
With efforts by numerous people , different goldfish species have been developed over a long period of time , like the " blue wenyu " , the " red and white swallow - tail " , the " pale bronze egg - phoenix " and many other such colourful and exotic names 金魚的品種經(jīng)過前人的長(zhǎng)期培殖,出現(xiàn)了如"藍(lán)文魚" 、 "紅白燕尾" 、 "淡紫蛋鳳"等不同名目的變種,教人目不暇給。
The results show that : ( a ) the influence of the groove shape on the high cut - off frequency is great at certain groove depth ; the high cut - off frequency is gradually lowered from triangle profile , cosine profile to swallow - tailed profile 結(jié)論為:中文摘要( 1 )適當(dāng)槽深情況下,槽形狀對(duì)高截止頻率影響較大;槽形狀從三角形變化到余弦形直到燕尾形,高截止頻率依次降低。
The set is comprised of the variegated pearl - scale $ 1 . 40 stamp , the red and white swallow - tail $ 2 . 40 stamp , the pale bronze egg - phoenix $ 3 stamp and the blue wenyu $ 5 stamp . the stamp sheetlet features a $ 5 stamp depicting the red and white dragon - eye 一套四款的郵票和郵票小型張分別為:一元四角的五花珍珠鱗、二元四角的紅白燕尾、三元的淡紫蛋鳳、五元的藍(lán)文魚,以及五元的紅白龍睛郵票小型張。
( c ) for the helical swallow - tailed structures with same groove width , the deep groove depth one which is suitable for the use in a interaction system of high power twts , has the largest coupling impedance and the lowest phase velocity in comparison with the other different groove profiles ( 3 )具有相同槽日寬度的燕尾形螺旋槽結(jié)構(gòu)在槽深度較深情況下用作大功率行波管的互作用系統(tǒng)具有最大的耦合阻抗和最低的相速。
Considering the influence of high evanescent modes , we have obtained the common theory . by the comparing between theoretical calculation and experimental data , we found the theory can accurately describe the high - frequency characteristic of this kind of slow - wave helical groove structure . then , five representative shapes are chosen and researched particularly ( triangle shape , cosine shape , trapezoid shape , rectangular shape and swallow - tailed shape ) 主要工作成果和創(chuàng)新之處在于: 1 .通過考慮高次模式的影響,獲得了一種更為精確分析任意槽形螺旋槽結(jié)構(gòu)的普遍理論,經(jīng)與實(shí)驗(yàn)測(cè)量值比較,發(fā)現(xiàn)它更能準(zhǔn)確可靠地描述此類螺旋慢波結(jié)構(gòu)的高頻特性,然后詳細(xì)研究了五種槽形狀(三角形槽、余弦形槽、梯形槽、矩形槽和燕尾形槽)對(duì)螺旋槽慢波系統(tǒng)導(dǎo)波特性的影響。
英文解釋
(especially of butterflies and birds) having a forked tail like that of a swallow