After taking a sedative she was able to get to sleep.服用了镇静剂后, 她能够入睡了。The patient is sedated with intravenous use of sedative drugs...静脉注射了镇静剂后病人安然入睡。Barbiturates are used for their calming, sedative effects.巴比妥酸盐类具有镇静 、 ...
我们想跟孩子们一起制作硫酸铜晶体。We tried to grow some copper sulphate crystals with our children.这些薄薄的晶体传导了大部分的动力。These thin crystals transmit much of the power.那种酸在晶体表面蚀刻出一些小孔。The acid etched holes in the crystal surface....
在这本新作中，哈里森巧妙地理顺了那些纷繁复杂的争论。In this new book, Harrison brilliantly disentangles complex debates.蜜蜂之间所用的交流方式是昆虫中最为复杂的方式之一。Honeybees use one of the most sophisticated communication systems of any insect.有些手语可以表达非常复杂的内容。Some ...