Acroleic
a. 丙烯
🗣️ 情景例句
Grandpa.
爷爷。
I'm sorry. I meant to ask you.
对不起。我本想问你的。
Oh! They're all places of great interest in China. I think you'll have a good time.
噢！这些地方都是中国的名胜。我想你们会玩得很痛快的。