Usages of shàngmiàn
我 把 书 放 在 桌子 上面。wǒ bǎ shū fàng zài zhuōzi shàngmian.
I put the book on the table.
我 把 电脑 放 在 桌子 上面 了。wǒ bǎ diànnǎo fàng zài zhuōzi shàngmian le.
I put the computer on the table.
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