Copolyether
共聚多醚
🗣️ 情景例句
It's getting late.
时间不早了。
They had to call in a heart specialist.
他不得不请一位心脏病专家。
No! You don't understand! Not before or after meals--instead of them.
“不是，你没听懂！不是饭前或饭后吃--而是代替三餐饭。”