Pentone
缬烯炔, 异戊烯炔
🗣️ 情景例句
I am hungry.
我真是饿了。
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
What?Speak up. Penny.I'm afraid I can't hear you.
什么？彭妮，大声一点。我可听不见你念的。