C.o.p.
[化] 冷冻系数
🗣️ 情景例句
I know you must be excited to go home after such a long business trip.
出差这么久，终于要回家了，我想你一定很高兴。
I dropped the letter in the mailbox on the corner.
我把信放到角落上的邮箱里。
Look into the river, said the monkey. There he is! See his head?
“往河里看，”猴子说，“他就在那里！看见他的头了吗？