Dinitromethane
二硝基甲烷
🗣️ 情景例句
If you're prepared to put private information onto the internet, it won't be private for long.
如果你把个人资料放在互联网上，很快它就不会是什么秘密了。
How long will the flight be delayed?
班机诞误多长时间？
Look at those black clouds. It's going to rain.
看那成堆的乌云，要下雨啦！