n. 英语字母表的第21个字母
网络 单位; 尿嘧啶; 尿苷
First you make the shape for the letter "f", then the shape for the letter "u", and then the shape for the letter "n".
你首先要做出字母“f”的形状,之后是字母“u”的形状,然后是字母“n”的形状。
As mobile phone text messages like "I CN C U" show, it is often possible to leave out a lot of data without losing much meaning.
诸如“I CN C U”这样的手机短信,通常可以省略大量数据而不会失去意义。
The U. S. envoy was recalled to Washington.
该美国特使被召回了华盛顿。
Dave made a U-turn on North Main and drove back to Depot Street.
戴夫在北干道掉头,把车开回了第伯街。
He spun the wheel sharply and made a U turn in the middle of the road.
他猛打方向盘,在路中间掉了个头。