weekend指一個(gè)周末，指星期六和星期天；而weekends指每個(gè)周末，并不是指一個(gè)周末而是多個(gè)或指每逢周末，這時(shí)就在weekend后加s。

weekend的用法

1、She had agreed to have dinner with him in town the following weekend.

她答應(yīng)下一個(gè)周末和他在城里共進(jìn)晚餐。

2、He told me to give you a call over the weekend.

他讓我周末給你打個(gè)電話。

3、I went home at the weekend

我周末回家了。

4、Are you doing anything over the weekend?

你在周末有什么安排嗎？

5、I also bought some casual clothes for the weekend.

我還買了些周末穿的休閑裝。

weekends的用法

1、Esther used to visit him for the occasional days and weekends.

埃絲特過(guò)去會(huì)偶爾在周末或別的日子來(lái)探望他。

2、Jim gardened at the homes of friends on weekends.

吉姆周末幫忙打理朋友家的花園。

3、Bill would visit on weekends.

周末比爾會(huì)來(lái)。

4、They knock around on weekends in grubby sweaters and pants.

他們周末穿著邋遢的毛衫和褲子到處閑逛。

5、The farm is open to the public only during two open-house weekends.

該農(nóng)場(chǎng)僅在兩個(gè)周末接待日才對(duì)公眾開放。