Perhalogenomethane
全卤甲烷
🗣️ 情景例句
Mom, you're winning!
妈妈， 你赢了！
I don't know what time it is.
我不知道现在几点钟。
Happy birthday! said the twins, and gave her a big red box.
“生日快乐！”双胞姐妹说，并将一个大红盒子送给了她。