Pentanitrol
四硝基季戊四醇
🗣️ 情景例句
I'd like to come to the ten o'clock advanced class this morning.
我想今早十点来上你的高级健身班。
History repeats itself.
历史本身常重演。
She must be at least thirty-five years old.
她至少也有35岁了。