例句
My alarm rings at seven a.m. every weekday.
每個工作日，我的鬧鐘都在早上七點響。
Starting school before eight a.m. may reduce the amount of sleep that teenagers get on weekdays.
早上八點前開始上課，可能減少青少年平日的睡眠時間。
常用搭配
- at six a.m.｜在早上六點
- from nine a.m.｜從上午九點起
- until eleven a.m.｜直到上午十一點
用法提示
放在鐘點後；12 a.m. 是午夜，12 p.m. 是正午。