n. 扁平物;[航] 襟翼;拍打,拍打声;〈口〉不安,恐慌;
v. 上下或左右移动、摆动;轻拍;振翅而飞;
🗣️ 情景例句
If my GPA isn't high enough I can't play any sports.
如果我的平均学分不够高,我就不能再参加体育活动了。
An old dog barks not in vain.
老犬不空吠。
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,