In America most leisure-time activities are about a million times better than anywhere else...美国大多数休闲娱乐活动比其他地方要丰富得多的多。A clash with America over farm subsidies had left the Europeans and their common agricultural policy s...
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....