摘要：on sale 出售/促销The new phones are on sale now.新款手机正在促销These shoes are on sale for 50% off.这些鞋子打五折促销。2.on show 展出/上映The famous painti

1.on sale 出售/促销
The new phones are on sale now.
新款手机正在促销
These shoes are on sale for 50% off.
这些鞋子打五折促销。
2.on show 展出/上映
The famous painting is on show at the museum.
这幅名画正在博物馆展出
There's a new movie on show at the cinema.
电影院正在上映一部新电影。
3.on time 准时
The train arrived on time this morning.
火车今早准时到达
Please arrive at the meeting on time tomorrow.
明天请准时到会。
4.on vacation 在度假
They are on vacation in Hainan this month.
他们这个月在海南度假
The Smiths are on vacation in Hawaii.
史密斯一家正在夏威夷度假。
5.on weekends/the weekend 在周末
I usually play basketball on weekends.
我周末通常打篮球
I often visit my grandparents on weekends.
我周末经常去看望祖父母。

来源：聋哑学校