The "log roll" rotation with stacked shoulders in skating is outdated. Then it was all about rotating "just enough" to get the recovery shoulder out of the water.

“肩膀立起”的原木滚动已经过时了，新的提法是“足够的转动”让肩膀露出水面。

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First, there was what Dad called the 'log roll' in which he would roll back and forth on the living room carpet while we kids had to jump over him without getting nabbed.

首先，是爸爸叫做“滚原木”的游戏，他在客厅的地毯上滚来滚去，我们会跳过他而不被捉到。

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This process reads log files during rollback, restart recovery and roll forward.

此进程在回滚、重启恢复和前滚期间读取日志文件。

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