Poly(propylene glycol)
[化] 聚丙二醇
🗣️ 情景例句
I feel bad
我觉得很不安
Are they all non-reserved seats?
他们全部不预订的吗？
To make matters worse, the room is rather small, so I have temporarily put my books on the floor.
更糟糕的是房间还非常小，所以我暂时把书放在了地板上。