介词 - 时间介词

used to indicate a period of time when an action or event takes place

used to specify the intended or scheduled time for an event, activity, or arrangement

expressing the exact time when something happens

used to indicate the deadline or point in time at or before which an action or event is expected to occur or be completed

used to indicate the arrival or occurrence of a particular time, event, or situation

used to indicate the timeframe within which an action, event, or process occurs

used to indicate that something has happened or existed throughout a long period of time

used to state how long it will be until something happens

used to show a day or date

used to indicate that someone or something is waiting for or dependent on another event, decision, or action

used to indicate proximity in time

used to indicate a specific point in time or a reference point from which information or a situation is being considered

referring to the period or duration during which something happens, develops, or takes place

during a particular period or while something is happening

during a particular situation or condition

used to show when something happens within a particular time frame