Polyether
n. [化]聚醚,多醚
🗣️ 情景例句
Good morning. Robbie.
早安， Robbie。
I often go to school in the morning.
我常常在早上去学校。
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的