"It's in here somewhere," he said, rooting about in his desk.“它就在这里的什么地方，”他一边说，一边在桌子里乱翻。The rooting medium should be moist, well aerated, and sterile.生根的基质应当是湿润, 透气良好和消过毒的.Charcoal prevents browning of tissues and s...
She heard her classmates rooting for her.她听到她的同班同学在向她喊加油。"It's in here somewhere," he said, rooting about in his desk.“它就在这里的什么地方，”他一边说，一边在桌子里乱翻。There is nothing to be afraid of. We are all rooting for you.没有什么可怕的。我...
烯空气跟空气十分近似.Olefin gas closely approximates air.所有的主要难点都涌现在烯酮 ( 1 ) 的合成中.All the chief difficulties crop up in the synthesis of the enone ( 1 ).某碳氢化合物已知可能是烯烃或是烷烃.A hydrocarbon was known to be either an alkene or alkane....
They're going house to house, rounding up the residents.他们正挨家挨户将居民集中到一起。He had sought work as a cowboy, rounding up cattle.他找了一份放牛的差事，负责把牛赶到一起。Your dad and Admiral Spruance are rounding the Smiths'terrace.你爹跟期普...
所有零件都是用顶级高强度铝加工而成。All parts are machined from top grade, high tensile aluminium.这座楼完全是现代主义风格：采用玻璃和铝质材料，以灰色作为基调。The building is impeccably modernist: glass, aluminium and grey.铝看起来很重,实际上却很轻.Aluminium looks heavy but actua...