Sinal
a. [医]窦的
🗣️ 情景例句
Can you finish the work by five o'clock tomorrow?
你能在明天五点钟之前做完这项工作吗？
It's one o'clock sharp.
现在一点整。
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。