吹: 动词1.(合拢嘴唇用力出气) blow; puff 短语和例子吹火 blow a fire; 吹熄蜡烛 puff out a candle; 吹一口气 give a puff; 那个男孩在吹气泡。the boy was blowing bubbles. 他吹掉书上的灰尘。he blew the dust off the book.2.(吹气演奏) play (wind in
人工: 1.(人为的) artificial2.(人力) manual work; work done by hand 短语和例子用机器代替人工 install machines to replace manual labor; 抽水机坏了, 只好用人工车水。 we had to move water by a chain pump because the electric pum