China was the first country in the world to synthesize crystalline insulin, a bioactive protein.中国在世界上最早用人工方法合成一种有生物活力的蛋白质--结晶胰岛素.There are many amino acids that the body cannot synthesize itself.有许多种氨基酸人体自身不能合成。Etioplas...
For the past few days Corinne has been living on an emotional tightrope.在过去几天里，科琳娜在感情问题上如履薄冰。School administrators walk a tightrope between the demands of the community and the realities of how children really behave.学校管...
电梯开动了，接着剧烈震颤起来，然后就毫无反应了。The lift started off, juddered, and went out of action.电梯嘎吱一声停在了一层。The elevator creaked to a halt at the ground floor.电梯修理工可以转动这根杠杆直接操作机器。An elevator mechanic can work the machinery directly by tu...
制备,保存用化学或物理方法制备 、 保存或润饰 ( 某物质 )To prepare , preserve, or finish ( a substance ) by a chemical or physical process.用化学或物理方法制备 、 保存或润饰 ( 某物质 ).To prepare, preserve, or finish ( a substance ) a chemical or physical process....
We reverence tradition but will not be fettered by it.我们尊重传统,但不被传统所束缚.We reverence tradition but will not be enfettered by it.我们尊重传统，但不被传统所束缚。Royalty is regarded with unquestioned reverence.王室成员毫无争议地受到尊重。The poem conveys...