开始用一个长度或两种自由泳使用非常小的打腿。
Start with a length or two of freestyle using very little kick.
我们一定得小心，打控制球，不放过任何小细节。
We must maintain control of the play and stay focused on even the smallest details.
这种文件占用空间小，打标效率。
This kind of files takes little space with high marking rate.
这种文件占用空间小，打标效率。
This kind of files takes little space with high marking rate.
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