Trinaphthylene
[化] 联三萘
🗣️ 情景例句
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
The fox knew too much, that's how he lost his tail.
机关算尽太聪明，反误了卿卿性命。
I hope you all well.'
祝你们大家身体都好。”