Tetranitrocompound
四硝基化合物
🗣️ 情景例句
Something that might be surprising to you.
一件也许会让你吃惊的事。
He is embarrassed because he made a mistake.
他因为弄错而显得很窘。
Is she very unhappy without me?
没有我在她是不是很不愉快？