Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
It's a great opportunity for you, Harry.
这对你是个大好机会， Harry。
How is it going?
情况怎么样？
I got a bad headache, and my nose is running.
我头痛得厉害，还流鼻涕。