The Irvine group and their collaborators are testing whether lasers do the job better.欧文研究小组和他们的合作伙伴正在测试激光是否会更为有效。Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory laser...
The boy could have felt sorry for himself and become depressed, or he could have adopted hardened cynicism as a defense.这个男孩本有可能自怜自哀、抑郁消沉，也有可能采取冷酷的愤世嫉俗态度来保护自己。She viewed his new interest in her with cynicism.她以怀疑讥讽的态度看待他...