Hexanitrodiphenyl
[化] 六硝基联苯
🗣️ 情景例句
I love my school. I have so many good friends there now.
我喜欢我的学校。我现在有那么多好朋友在那里。
Yes, you can. Would you please show me your card?
可以，让我看看您的卡。
What do you find hardest in English?
你觉得学习英语哪方面最难？