例句與造句

1. His eyes were so tired that he had difficulty focusing them
   他的眼睛累了,調(diào)節(jié)焦距困難。
2. This is the most popular and hard topic for multinational company , the same its researching difficulties focused on exchange rate predicting and exchange rate risks managing
   四、匯率風(fēng)險(xiǎn)預(yù)測(cè)、管理分析。匯率風(fēng)險(xiǎn)的管理是本文的研究重點(diǎn)，也是跨國(guó)公司理財(cái)風(fēng)險(xiǎn)管理中難度最大、最普遍的問(wèn)題。
3. All of the difficulties focus on the contradiction between mass algorithm and realtime processing . my task is to design a high performance signal processing platform in order to solve it
   這些要求基本上體現(xiàn)在大運(yùn)算量和實(shí)時(shí)性這一對(duì)矛盾的解決上。本課題正是為解決這一矛盾而做的一個(gè)通用數(shù)字信號(hào)處理平臺(tái)。
4. Symptoms of eyestrain include sore eyes and difficulty focusing , poor night vision , difficulty in focusing after concentrating on an object , headaches and sore , red inflamed and weeping eyes
   眼睛疲勞的癥狀包括如下：眼睛疼痛，難于集中，夜視非常差，在注視一個(gè)物體后重新集中視線很困難，頭痛，眼睛發(fā)紅、疼痛、感染、流淚。
5. It's difficult to find difficulty focusing in a sentence. 用difficulty focusing造句挺難的