Blau
n. （德）蓝色
🗣️ 情景例句
We have to advance the building of the new school.
我们必须促进新学校的建设。
Yes, this is Shen speaking.
是的，我姓沈。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。