C4
abbr. 补体4（complement 4）
🗣️ 情景例句
It doesn't need any alterations. We must've bought the right size.
不需作任何修改。我们一定是买对了尺寸。
Thank you for your inquiry. Please tell us the quantity you require so that we can work out the offers.
感谢贵方询价。请告诉我们贵方所需数量以便我方报价。
It was officially opened on March 7,1994, finally connecting Britain to the European continent.
它于1994年3月7日正式开通，将英国与欧洲大陆连到了一起。