Tetranitrol
季戊四醇四硝酸酯, 季戊炸药
🗣️ 情景例句
that does his major accounting work
承办他主要会计工作的那家公司
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
He acted as if he had never lived in England before.
他的举动就好像他从未在英国生活过一样。