Ncb
[计] 网络控制块
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
He irons sweaters every day.
他每天都烫衣服。
John works very hard. He goes to work early.
约翰工作很努力。他早早上班。