Polybenzimidazole(pbi)
[化] 聚苯并咪唑
🗣️ 情景例句
I read when I have the chance.
我有空时喜欢读书。
Let's ask Mr. Jiang to answer that.
那件事我让蒋先生来答复。
No. Tomorrow afternoon.I'll miss him.
不，明天下午。我会想念他的。