Nitrocementation
碳氮共渗
🗣️ 情景例句
Isn't this the Nanjing University?
请问是南京大学吗？
The doctor advised me to drink plenty of water.
医生劝我要多喝水。
Soccer. But we don't call it soccer in China. We call it football.
英式足球。不过在中国我们不叫它英式足球。我们称之为足球。