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...
长长一张布告上写着全部新兵的名字.A long placard bore the names of all the new recruits.学生们在布告牌上贴了一张海报.The students put up a poster on the bulletin board.他们把一张布告贴在墙上.They have pasted up a notice on the wall....
He took his bow from Rostov and gestured at Nogai.他拿出从罗斯托夫带来的弓,向鞑靼族致意.She gestured her disapproval.她用手势表示不赞成。He gestured vaguely towards the house.他含混地指了指那房子。Corleone gestured expressively, submissively , with his hands....
Jeannie: Mom, I and to show you too. Look!珍妮: 是啊,妈妈, 还有些东西给你看. 看!Little Jeannie stole the show.小珍妮抢尽了风头.You want Jeannie to make the appointment for you? How about the end of next week?你想让珍妮帮你预约吗？下周末怎么样？You want Jeannie ...