Tetranitrol
季戊四醇四硝酸酯, 季戊炸药
🗣️ 情景例句
about our children's education.
对于我们孩子的教育。
It's due in at noon.
正午到达。
I did not know the way to my hotel, so I asked a porter.
我不知道去饭店的路该怎么走，于是向一个搬运工打听。