Nitropenthrite
[化] 四硝基季戊四醇
🗣️ 情景例句
She's nine years old.
她九岁。
It was not very wise of you to sell the property.
你把物业卖了可不是办法。
Mathilde! I didn't know. I'm sorry. But what happened?
玛蒂尔德！我还不知道这些情况哩。我真难过。但是，这是怎么回事呢？