C4
abbr. 补体4（complement 4）
🗣️ 情景例句
for their love and support all through this adventure.
在这整个工作期间给予我的爱和支持。
Can I have a second-class one way ticket to Chicago,please?
请给我一张去芝加哥的单程二等票好吗？
Tomorrow evening they will be singing at the Workers' Club.
明晚他们将在工人俱乐部演出。