caw造句

The crows caw when moon goes down.
月落乌啼.

Therefore by regulating swirl number of combustor NO emission caw be reduced.
因此,适当调整燃烧室的旋流数可以降低NO排放.

Before the moon sets and the crows caw I am already drunk.
凤直到月落乌啼当我已醉的时候.

• #caw