Billy leaned forward and brushed a speck of dust off his shoes.比利俯身擦掉了鞋子上的一丝灰尘。I've got a speck of dirt on my shirt.我的衬衫上有一点污垢.Not a speck of cloud is to be seen.看不到一星星云丝....
宇航员在失重的条件下工作。Astronauts work in weightless conditions.在失重的空间,细菌繁殖加快了.Bacterial reproduction is accelerated in weightless space.许多宇航员都证实了失重的兴奋感.Many astronauts have testified to the exhilaration of weightlessness....
A typical example is the halogenation of a hydrocarbon.典型的例子是碳氢化合物的卤化.Addition Reactions to Alkynes, Hydrogenation , Halogenation and HX. Hydration of alkynes. Tautomerization.炔烃的加成, 氢化,卤化和HX. 炔烃的水化作用,互变异构化.In these meth...
to pay sb a pittance付给某人菲薄的工资Her secretaries work tirelessly for a pittance.她的秘书们为一点微薄的工资不知疲倦地工作。The widow must live on her slender pittance.那寡妇只能靠自己微薄的收入过活....
Several distributor transformers had fallen from the poles, and secondary wires and service drops were down.几个配电变压器从电线杆上摔下来, 副线及吊饰也垂下来.The magnetic cores of transformers and other apparatus are laminated.把变压器及其它仪器的磁心分层.A...
蛋白质和脂肪结合产生脂蛋白.Conjugates of protein and lipid occur as lipoproteins.不过不可吃过量, 因为太多的锌能降低高密度脂蛋白( “ 好 ” 胆固醇)的水平.Don't overdo it though. Too much zinc can lower levels of HDL, the " good " cholesterol.结果在高血压组与对照组各检验指标除高密...
After a few weeks with her parents, she felt she was suffocating.和父母呆了几个星期后，她感到自己毫无自由。After a few weeks with her parents, she felt she was suffocating...和父母呆了几个星期后，她感到自己毫无自由。That's better. I was suffocating in that ...