他致力于科学的革新。He devoted his energies to the reformation of science.他最大的革新在于使用了可互换的零件。His greatest innovation was the use of interchangeable parts.技术上的革新可能意味着曾经被重视的技术现在已变得多余。Changes in technology may mean that once-valued sk...
正电子发射断层成像 ( PET ) 是一种结合单一分子放射示踪的成像技术.Positron emission tomography ( PET ) is an imaging technique that combines a radioactive tracer with a molecule....
It was the kind of rumour that it is impossible to refute.这是那种让人根本没法批驳的谣言。It goes without saying that we have the right to refute them publicly.不用说我们有权公开驳斥他们.The meeting was very lively and informal with everyone chippin...
Watch out for bargains, but never buy dented cans.留意便宜货,但绝不要买表面凹陷的罐头。Early birds can get the best bargains in the January sales.动作快的人能够在1月份的打折中淘到最便宜的东西。I picked up a few good bargains in the sale.我在减价期间买了几样挺不错的便宜货。...