Polar bears, desert gazelles and sharks were all added to the list of species facing extinction.北极熊 、 漠瞪羚和鲨鱼都已经被列入濒临灭绝的物种.The country is facing great economic difficulties.该国正面临巨大的经济困难。...a woman facing serious responsib...
Students all over the country are facing an uncertain future.全国各地学生前途未卜。Universities are facing grave problems because of diminishing resources.由于资源的减少，大学正面临严峻的问题。St Bartholomew's is one of four London hospitals fac...
This kind of books is sold by all booksellers.所有的书商都出售这种书.It wasn't due to be released until September 10, but some booksellers have jumped the gun and decided to sell it early.这本书定于9月10号发行，但是一些书商已抢先一步，决定提前销售。Recent...
黑板擦干净了.The blackboard has been wiped clean.老师建议我们课后把黑板擦了.The teacher suggested that we ( should ) clean the blackboard after class.你可以用黑板擦把粉笔印擦掉.You can rub out the chalk marks with the eraser....