Q.q.h.
[医] 每四小时
🗣️ 情景例句
Now I remember.
现在我想起来了。
I'm gong to show him how to paint.
我正要指点他如何画画。
Two of his assistants had been working busily since eight o'clock and had only just finished.
他手下两名店员从早上8点就开始忙碌，这时刚刚布置完毕。