Dibromonitromethane
二溴硝基甲烷
🗣️ 情景例句
References?
备询人？
I'll be ready within five minutes.
我五分钟内就可以准备好了。
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。