The tcpdump tool is an older tool that "sniffs" network packets from a network and either prints them to stdout or logs them to a file.
tcpdump工具是一个比较老的工具,它从网上“嗅探”网络数据包,打印到stdout或记录在一个文件中。
Here they chained heavy logs and dragged them into place to make a mold for the Wall.
他们在这里用链条拴住沉重的原木,然后把它们拉到适当的位置当城墙的模子。
Tyler was pulling driftwood logs out of the surf and dragging them up the beach.
泰勒努力的从浪花中把漂流过来的原木拖到岸边,然后把它们竖在沙滩上。
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