Commodity polymer
[化] 通用高分子
🧩 词语组成解析
🗣️ 情景例句
I'm sorry but the food was late and it was cold when it got here. I don't think I want to pay.
真抱歉饭菜上晚了，而且它上桌时已经变冷了，所以我不想为此付账。
Did you go swimming yesterday?
你昨天去游泳了吗？
It is because his feet move on, but his head stays still.
这是因为他的脚动了，而他的头保持着静止。