把它放在书桌上。
我们每个人都要装饰一个“信箱”，然后把它放在书桌上，这样别人就可以投放贺卡。
Each of us was to decorate a "mailbox" and put it on our desk for others to give us CARDS.
它很快地把这颗宝石放在这个人的书桌上。
我可以发誓我是把钱放在书桌上的。我不知道它到哪儿去了。
I could have sworn I left the money on the desk. I can't fathom out where they've got to.
今天上午，它跳到放在书桌上的那本词典上，把词典弄脏了。
This morning it jumped onto the dictionary lying on the desk and made it dirty.
今天上午，它跳到放在书桌上的那本词典上，把词典弄脏了。
This morning it jumped onto the dictionary lying on the desk and made it dirty.
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