C4
abbr. 补体4（complement 4）
🗣️ 情景例句
Yes, I think that's what we stipulated.
对呀，我想那是我们所订定的。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
There is an interesting film on Channel one.
在一频道有一部有趣的电影。