Allene
丙二烯, [pl. ]二烯烃, 丙二烯衍生物
🔁 扩展释义
【化】 丙二烯【医】 丙二烯
🗣️ 情景例句
Good morning. Restaurant Service. May I help you?
早上好，餐厅服务部，能为你效劳吗？
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
Look at the snow! It's thick, isn't it?
瞧这雪！雪很厚，是吧？