Their antennae and shells help them to detect and protect the security of themselves.

它们的触角和外壳帮助他们探测和保护自身安全。

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The authorities urged that every citizen focus attention on the security of food in the early spring.

在早春的时候，政府敦促每个市民关注食品安全。

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Defense officials say they are aiming for a balance that will not compromise the security of operations or military networks.

VOA: special.2009.09.14

Then a bunch of terrible things obviously begin to happen that shake the security of this society, and ultimately bring it down.

然后,显然一些可怕的事情开始发生了,它动摇了社会的安定,最终导致其崩溃

耶鲁公开课 - 古希腊历史简介课程节选

If the vehicle in the unfortunate circumstances of a collision, has to be able to maintain the security of the hydrogen which means more mass, which means a lot of the efficiency is being squandered What's the environmental impact of hydrogen production?

如果车辆,在碰撞中发生了不幸，要仍然能够保持氢气的安全性的话,意味着需要更多的质量，也就是说大部分效率被浪费了,制氢对环境有什么影响呢？

麻省理工公开课 - 固态化学导论课程节选

Because you made some reference to the security of cargo flights and so forth.

WHITEHOUSE: Full Briefing on Security Alert

Defeat would be too high a price for the security of Americans, the French, and Europeans.

WHITEHOUSE: President Obama and President Sarkozy at the White House

They arrive on foreign shores with the security of a job and a salary.

ECONOMIST: Business in China and the West