n. 航线; 路; （公共汽车和列车等的） 常规路线; 渠道，途径;
vt. 按某路线发送; 给…规定路线[次序，程序];
[例句]All escape routes were blocked by armed police
所有逃跑的路都被武警封锁了。

2.navigation

n. 航行（学）; 航海（术）; 海上交通;
[例句]Pack ice around Iceland was becoming a threat to navigation.
冰岛周围的浮冰群曾一度对船只航行构成威胁。

3.be located

词典] 位于; 坐落于;
[例句]On the one hand, sacredness may be located in and defined by office and status in a society.
在一方面，神圣性，可设在和确定了办公室和地位，在社会了。
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