农夫补围篱时，一个邻居经过。
当天上午，金从露天市场回来，她经过一家卖生煎包的早餐店，和一个正在向晾衣杆上挂衣服的邻居聊了几句，旁边，一个还穿着睡衣的男人正在浇花。
She chats with a neighbor hanging laundry on one of the poles that festoon the lane, while a man, still in pajamas, waters his plants. "I'm back!"
他可能会经过邻居门前的桔子树、棕榈树和篱笆，紧密的街道和不合传统的房子，还有只有一个最底层的人才能激起它们狂吠的几只狗。
He might pass through a becoming neighborhood with orange trees and palms and hedges, tight streets and nonconformist houses, where a single straggler can rouse half a dozen dog barks.
SELF要求各节点每经过一个规定的时间间隔，就更新一次节点的身份密钥和节点间的邻居密钥，并将原密钥作废。
SELF required each node update the identity key of the node and the neighbor key between nodes and invalidate the old keys at given intervals.
SELF要求各节点每经过一个规定的时间间隔，就更新一次节点的身份密钥和节点间的邻居密钥，并将原密钥作废。
SELF required each node update the identity key of the node and the neighbor key between nodes and invalidate the old keys at given intervals.
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