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yy瘦胖纸
一般表示为do sth. for fun
黄陂跑跑
be used to 是被动语态 比如 English is used to communicate英语用于交流
嗯哼，嗯哼
be used foruse onuse forUtend
木易洛洛
To closely observe critically ill patients
carefreeyu
used for applied in
海螺拍客
for entertaiment/recreatione.g.We can use smart phone for entertaiment.
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