高聚物都是由共价链联接原子而形成的长链分子所组成.Polymers consist of long molecular chains of covalently bonded atoms.导线的两端联接到裂环整流器.The two ends of the wire are connected to a split - ring commutator.电刷和电能源相联接.The brushes are connected to the s...
And this bottle of perfume is a clue to the shoplifter's identity.这一瓶香水则是确定商店扒手身份的线索.Geneticists in Canada have discovered a clue to the puzzle of why our cells get old and die...加拿大的遗传学家已经发现了解开细胞衰老、死亡之谜的线索。I hadn&#...
Davis won the 400m. hurdles in a new Olympic time of 49.3 sec.戴维斯以49.3秒的成绩刷新奥运会纪录，在400米跨栏赛跑中一举夺冠。There are several hurdles to be got over in this project.在这项工程中有一些困难要克服.I came to the hurdles and stood looking over into t...
He blew on his soup before slurping it off the spoon.他吹了吹勺子里的汤，然后啧啧地喝了下去。He was slurping his tea.他正咂着嘴喝茶。Another half hour and the hose was making slurping noises and he stopped.另外半小时和软管正使咕噜咕噜地喝为噪音,他停止....
Three structures have exhibited cracking at the ends of flange gusset plates.已有三个结构在翼缘节点板端部出现了裂纹.These include gusset plates welded to the flange.这些包括焊接到翼缘上的节点板.Rounded hem with tonal pony embroidery at the left gusset. ...
沃尔特·克劳利说，归根结底就是钱的问题。Walter Crowley says the problem comes down to money.克劳利连珠炮似的对韦特骂个不停。Crowley maintained a stream of invective and abuse against Waite.马萨诸塞州警察——剑桥警长詹姆斯克劳利在此时赶到.Sergeant James Crowley of the Cambridge, M...
The mother provides the embryo with nourishment and a place to grow.母亲为胎儿提供营养和成长的空间。Sugar gives quick relief to hunger but provides no lasting nourishment.糖能快速缓解饥饿感，但不能提供持久的营养。To help provide essential nourishment, we�...