Polyether
n. [化]聚醚,多醚
🗣️ 情景例句
It's our family tree.
这是我们的家谱。
Could you please let us know what discount you can give for an order exceeding 400 sets?
能否告知定货超过400台你方所能给的折扣。
When were you born?
你什么时候出生的？