因为y前为辅音字母。
adj. 忙碌的热闹的正被占用的
vt. 使忙于My goodness， you have been busy!
天哪，你一直在忙！
We're not always this busy!
我们并不总是这么忙！
The doctors are brusque and busy.
医生们十分忙碌，说话简短生硬。
The house is on a very busy road.
房子位于一条交通非常繁忙的公路旁边。
He'll be busy for ages yet.
他还要忙很长一段时间。
