And how is it known that Mars had hafnium - 187 ?那么是如何知道火星有铪 -187 的 呢 ?This activator is acyl amine - the hafnium activator that ether is a foundation.该催化剂为酰胺 - 醚为基础的铪催化剂.Chemical form of hafnium is perchlorate or nitrat...
他把椅子向着门扔去.He dashed the chair against the door.她抓起玩具娃娃，用力往石墙上扔去。She seized the doll and dashed it against the stone wall with tremendous force.她站在离他十英尺远的地方,把邮件向他扔去.She slung the mail at him from ten feet away....
He did not vouchsafe a reply.他未予答复.to vouchsafe a reply给予答复Elinor would not vouchsafe any answer.埃莉诺不想给予任何回答.Vouchsafe me a spirit of faith and knowledge.赐予我信心和一颗有知识的心灵....
She felt uncomfortable for his licentious act.她对他放肆的行为感到有点不舒服。This kind of freedom is licentious.这样的自由是放肆的.Though great artists have been licentious, licence does not necessarily result in great art.伟大的艺术家们虽然曾经都是放荡形骸的, 但...