Dipropylurea
二丙脲
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
It was a real pleasure for me to do it.
我很乐意这样做。
awakening it to flow, to movement, to rhythm, to life.
阳光使空气开始流动，产生节奏，获得生命。