N-density
[计] N稠密性
🧩 词语组成解析
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
Grand Central Station, please. I want to try to catch a 6:00 train.
请到中央火车站。我要赶六点的火车。
OK, Mum. I'll get it.
好的，妈妈。我来接。