Some people proposed polymerizing the glycerine prior to nitration.有人建议在硝化之前,把甘油聚合.Finally he bought a pint of pure glycerine and a glass rod a foot long.最后他又买了一品托纯甘油和一根一英尺长的玻璃棒.It is soluble in water and glycerine and s...
Hardly had he returned to London when an anonymous well-wisher called to say he was about to be raided by Customs & Excise.他刚回到伦敦，就有一个不愿透露姓名的好心人打来电话说，他即将面临海关的突击检查。The fox raided the henhouse and ran off with its prize.狐狸...
The Queen is gracing us with her presence.女王莅临使我们不胜荣幸.Many great people will be gracing the opening night of the play.许多重要人物的光临将为此剧的首演增色不少.We thank the governer for gracing this formal dinner with her presence.我们感谢总裁的光临,...
每一种信号越有特异性, 那么所能传送的信息就越多.The more specific each signal is, the more information they can impart.冲动相当于通过神经元传送的信息.Impulse acts as a message sent through a neuron.用于信息传送的一种格式.A format that is used for information transfer....