Pentapropyl
五丙基
🗣️ 情景例句
You are in great condition. I can't believe it!
你的身体太好啦。我简直不敢相信。
Do you work near the library?
你在图书馆附近工作吗？
The boy was too nervous to speak.
那男孩紧张得说不出话来。