书籍 Top Notch 基础A - 第 5 单元 - 第 1 课

anything that takes place, particularly something important

事件, 活动

the quantity that is measured in seconds, minutes, hours, etc. using a device like clock

时间, 时长

put after the numbers one to twelve to show or tell what time it is, only when it is at that exact hour

整点, o'clock

the time of day when the sun is at its highest point in the sky, typically around 12 o'clock

正午

the middle of the night when the clock shows 12 AM

午夜

between midnight and noon

上午, 早上

after noon and before midnight

下午

happening or done before the usual or scheduled time

早的, 提前的

exactly at the specified time, neither late nor early

准时, 按时

doing or happening after the time that is usual or expected

迟到的, 延迟的