大家在查： Szilard circumgyration Godless tighten control 非婚 strong opponent immune defense bogie frame 北麓 effective defense

tighten security

网络加强安全

tighten security

tighten security

tighten security

加强安全

的英文 -... ... 公共安全--- public security . 加强安全--- tighten security. 航空安全- --air safety,or,aviation security. ...

4

The blast was certain to increase unease in the foreign community, and many embassies immediately took new precautions to tighten security .

这次爆炸无疑增加了外国使团的不安，许多大使馆立即采取新的防范措施以确保安全。

6

During the past month , the junta has tighten security in the town and reenforced troops .

在过去一个月里，军政府已加强安全和增强军队。

7

The authorities have since worked to tighten security .

时间发生以来，当局已加强了保安工作。

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