Acetylene dibromide
[化] 二溴乙烯
🧩 词语组成解析
n. 乙炔, 电石气\\n[化] 乙炔; 双亚乙基
n. [化]二溴化物
🗣️ 情景例句
How is the view?
景色怎么样？
I can see you have put a lot of time into it.
我相信你在制定这个计划上一定花了不少精力吧。
By 1840 about 2,000 Europeans, mainly British, had come to settle in New Zealand and the Maori signed an agreement with these settlers.
截止1840年已有约2，000名欧洲人，其中大部分是英国人，到新西兰定居，毛利人与这些移居者签订了一个协议。