period

美 { "us": "", "uk": "" }
英 { "us": "", "uk": "" }
数据源: ai_enrichment
period 指一段特定的时间,如历史时期、月经周期,或作为标点符号表示句号。

用法要点

句型搭配

period 常与介词 of 连用,表示“一段...的时间”,如 a period of time。也可用于描述特定时间段,如 during the period。

• a period of growth
• the period from 1990 to 2000
• in that period

介词用法

period 前常用介词 during、over、for 等,表示在某个时间段内或持续的时间。例如,during the period 强调在期间,for a period 强调持续时间长度。

• during the holiday period
• over a long period
• for a short period

语域说明

period 在正式和非正式语境中都常用。在学术或商务中,多指时间段或周期;在日常对话中,可指月经或句号。作为感叹词(如 Period!)在口语中表示强调结论。

• the Jurassic period
• She's on her period.
• Period! End of discussion.

基础例句

I need a short period to finish this task.

我需要一小段时间来完成这个任务。

She felt tired during her period last week.

她上周月经期间感到疲劳。

Remember to put a period at the end of the sentence.

记得在句子末尾加上句号。

We had a great holiday period with family.

我们和家人度过了一个愉快的假期。

高级例句

The company experienced rapid growth over a five-year period.

公司在五年期间经历了快速增长。

This study covers the period from 2000 to 2020, analyzing economic trends.

这项研究涵盖了2000年至2020年期间,分析了经济趋势。

The contract includes a grace period of 30 days for payment.

合同包含30天的付款宽限期。

During the incubation period, the virus may not show symptoms.

在潜伏期内,病毒可能不显示症状。

高频搭配

verb

mark a periodcover a periodextend the periodbegin a periodend a period

adjective

short periodlong periodhistorical periodcritical periodtransitional period

noun

time periodstudy periodgrace periodmenstrual periodincubation period

adverb

periodicallyperiodically occurringperiodically reviewed

preposition

during the periodover a periodfor a periodin a periodwithin the period

phrase

period of timeperiod of transitionperiod pieceput a period tocome to a period

常见错误

❌ 错误:I will stay here for a period time.
✓ 正确:I will stay here for a period of time.

错误在于缺少介词 of。period 表示时间段时,通常与 of 连用,构成 a period of time,这是固定搭配。

❌ 错误:She is in her period.
✓ 正确:She is on her period.

错误使用了介词 in。在英语中,表示月经期间常用 on one's period,这是习惯用法,in 在此语境下不自然。

近义词辨析

era

era 通常指较长的历史时期,具有特定特征或事件,如 the Victorian era;而 period 更通用,可指任何时间段,长短不限,更侧重于时间划分。

The Renaissance was a significant era in art history. vs. We'll meet after a short period.

duration

duration 强调时间的持续长度,常与具体事件相关,如 the duration of the movie;period 更侧重于时间段本身,可能包含起止点,如 a period of two weeks。

The duration of the flight is three hours. vs. He worked there for a period of six months.