木炭和金刚石都是炭的同素异形物Charcoal and diamond are allotropes of carbon.纯钛以两种同素异形的形式存在.Titanium in the pure state can exist in either of two allotropic forms.那些异形的人类副本已经自然醒来.The human counterparts of those aliens woke up spontaneou...
她把深棕色的液体倒进了污水池。She poured the dark brown liquid down the sink.对地质学者来说, 这只是简易的石灰石污水池.To a geologist, this is a simple limestone sinkhole.蓄水池 、 地下车库 、 桥梁 、 隧道、地铁、污水池室外游泳池、堤坝等防水.The waterproof of the storage, underground gr...
“那闹哄哄的究竟是在做什么？”她问道。“是流行音乐节，”他回答说。"Whatever is that row?" she demanded. "Pop festival," he answered.婚礼的那天早上，我们家闹哄哄的。It was bedlam at our house on the morning of the wedding.酒吧里一群闹哄哄的家伙a rowdy crowd at the pub...