It's a bulb pressure tester for detecting battery leaks.这是检测电瓶漏气用的胶球压力试验器.D'Artagnan could not help detecting a note of sadness in his voice.达塔尼昂不由自主地发现他说话时所流露出的那种忧伤情感.Some of these methods are suitable for eit...
Similar delocalization is found in other conjugated systems.在其他共轭体系中,也发现类似的离域.The association chain implied is general reactivity, delocalization, heat of reaction, activation energy, velocity constant.和该量有牵连的因素是一般活性, 离域...
A newer anti-HIV drug called pyridinone caused HIV to mutate into a form which could not reproduce or infect new cells.一种叫作吡啶酮的新型抗艾滋病药物能促使艾滋病毒变异，使其不能繁殖，也不会再感染新的细胞。...