Jeff had just turned left down a dirt road.
杰夫将车向左拐上了一条土路。
往左拐然后走西街。
All switches should be left down during the experiment.
在进行实验时，所有的开关都应该向下。
It's also the basis of the top-left-down keyword optimization strategy.
这也是“自左上角向下”关键词优化策略的基础。
It's also the basis of the top-left-down keyword optimization strategy.
这也是“自左上角向下”关键词优化策略的基础。
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