因为正在使用很多昂贵的设备，所以我非常紧张。I get very nervous because I'm using a lot of expensive equipment.这些表达方式经常相互替代使用，但它们的含义却有所不同。These expressions are often used interchangeably, but they do have different meanings.他们使用武力把土著居民驱逐出...
Even the most boring meeting was enlivened by Dan's presence.即使是最无聊的会议，只要丹一出现，也会变得有趣起来。The conversation was enlivened with jokes.笑话使谈话变得活泼.The dinner was often a riotous affair enlivened by superbly witty speeches.宴...
The hydrocarbon diperchlorate products have utility as detonatable sensitizers for explosives and alkylating agents.二过氯酸烃基酯产物可用作起爆药的敏化剂及作为烷化剂.Explosives were first written about only 600 years ago.仅仅在大约600多年之前,才有最初的记载.Po...
应该将盛行风的方向考虑在内。The direction of the prevailing winds should be taken into account.她做了个扇风的动作，假装想让自己凉快一点。She made a fanning motion, pretending to cool herself off.船向风的一侧the windward side of the boat...