对着这种亮光,是很难看见什么东西似的.It is difficult to see anything against this bright light.它们开始的时候也很难被察觉, 因为它们是肉眼很难看见的.They are also hard to spot initially, as they can't be seen with the naked eye....
I suspected the existence of a dictaphone somewhere in his panelled rooms.我还疑心说不定在他装有镶板的什么地方,还会藏着一部口述留声机哩.I vainly tried to record it on my Dictaphone, at the match.观看比赛时,我徒劳地试图用录音电话把它记录下来.I was using a dictaphone to rec...
Significant economic losses can be associated with ALV - J infection.重大经济损失可以同ALV -J 传染联系在一起.Develop practical methodologies for diagnosis of ALV - J related field problems in broiler flocks.开发ALV -J 相关领域问题诊断的实用方法学在烤焙用具群...