Tetranitrocompound
四硝基化合物
🗣️ 情景例句
A watch! I've got just the place for watches! Let's go.
手表！我正好知道有家卖表的。走吧！
Beautiful day, isn't it?
今天天气真好，是不是？
The brothers differ from each other in their interests.
这几个兄弟各有所好。