Heptacene
[化] 并七苯
🗣️ 情景例句
So am I.
我也很遗憾。
I hope you can like the picnic.
我希望你能喜欢这野餐。
As the men refused to stop working, the police attempted to seize the pneumatic drill.
由于工人拒绝停下手中的活，警察想夺风钻。