C.o.p.
[化] 冷冻系数
🗣️ 情景例句
OK, let's get started.
好吧 ，我们开始工作。
I meet the boy whose aunt is a nurse.
我遇到那个男孩的姑妈是护士。
It was at Charlie's wedding. You were playing the piano.
那是在查理的婚礼上，你在弹钢琴。