Inflatable drum can be proper to train baby's crawling ability.
The Transparent Window and the Bell can make more fun !
Inflatable drum can be proper to train baby's crawling ability.
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充气滚筒--------可-----适当的----锻炼--宝宝的-爬行能力
The Transparent Window and the Bell can make more fun !
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透视窗口---------------和---铃铛----可以-增添-更多-乐趣 !
对照翻译你可以适当修改些...