Apple scab
苹果黑星病
🧩 词语组成解析
apple
['æpl]
n. 苹果;苹果树;苹果公司;
scab
[skæb]
n. （伤口或疮口上所结的）痂;（植物的）斑点病;拒不参加罢工的工人;破坏罢工者;
🗣️ 情景例句
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
Are you out of you mind?
你疯了吗？
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。