他自称是一名记者，经常四处游历。He claimed to be a journalist, and he got around.从1879到1888年，他游历于德国、瑞士和意大利等地。From 1879 to 1888 he wandered about Germany, Switzerland, and Italy.她游历了英国各地。She has travelled the length and breadth of Britai...
MPs called for tougher enforcement of the existing laws on drugs.下院议员呼籲加强现行毒品法律的执行力度.You must have had a much tougher time than we did.你们要比我们辛苦得多."It's tough at the top," he said. "It's tougher at the bottom," ...
C : Wonderful! How much is a pair of antireflection lenses?那太好了! 一对不反光镜片约要多少钱 呢 ?HfO _ 2 antireflection coatings with a transmissivity of 99.9 % has been fabricated on bottom emitting VCSEL.在大功率垂直腔面发射激光器(VCSEL) 出光窗口镀制了Hf...