shows where something is or happens
We met at the park.
我們在公園見面。
shows where someone works or studies
She works at the hospital.
她在醫院工作。
shows when something happens
The party starts at 8 PM.
派對晚上8點開始。
shows the age when something happens
She learned to read at age four.
她四歲時學會了閱讀。
shows direction toward something
He looked at the stars.
他望著星星。
shows trying but not succeeding
He grabbed at the ball but missed.
他試圖抓住球但沒抓住。
shows how good someone is at something
She is good at math.
她數學很好。
shows speed or rate
The car was going at 60 miles per hour.
汽車以每小時60英里的速度行駛。
shows distance from something
The sign was visible at 100 meters.
標誌在100公尺外可見。
shows what someone is doing
He is at work right now.
他現在正在工作。
shows the best or worst level
The team played at their best today.
今天隊伍發揮出了最佳水準。
shows the cause of a feeling
She was angry at the delay.
她對延誤感到生氣。
shows response to something
They came at my request.
他們應我的要求來了。
used with phone numbers
Call me at 555-1234.
打555-1234找我。
the @ symbol in email addresses
Email me at example@email.com.
發郵件到example@email.com找我。