商店售货员靠在柜台上漫不经心地招呼我。The shop assistant received me indifferently while leaning on a counter.马利特已经出门了，正挥手招呼一辆出租车。Marlette was already out of the door, flagging down a taxi.他看见了她，却连招呼也不打。He saw her but refused to even ackno...
A single - ring benzoxazine was synthesized by solvent - free method.用无溶剂法合成了一种单环苯并嗪.Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率...
在家剧烈运动了一阵后他突然昏倒了。He collapsed following a vigorous exercise session at his home.我发现她昏倒了，完全失去了知觉。I found her in a coma, totally unresponsive.她虚弱地低声说了几句便昏倒了.She whispered a few words weakly before she fell down....