If one of the two adapters fails at that point, then there is no additional standby adapter to be used as a backup.

如果那时两个适配器中有一个发生故障，那么就没有额外的备用适配器来用作备份了。

youdao

Air power is to be used only when there is no significant risk of civilian deaths.

空中打击以后将只有在没有显著平民伤亡风险的情况下才会使用。

youdao

With morals, unlike science, there is no well-recognized standard that can be used to test, confirm, or correct when disagreements arise.

出现分歧时，我们无法像处理科学那样处理道德，因为易识别的，可供测试、确认、改正的标准是不存在的。

youdao

We saw Banahan's power in the last game when he ran at Kelly Brown and took him out, but although it's great having these players in the side they've got to be used - there's no point in having an asset and leaving it to rust.

BBC: Six Nations: Jeremy Guscott on Ireland v England

Well it turns out they occur very strongly during this time when the ice used to be there but it is no longer present.

NPR: Oceanographer Sees Real Effects of Climate Change

Certainly they are going to be low compared to somewhere where all land is taken, all is used and there is no peripheral land that can be acquired for free.

FORBES: The United States Used to be the Most Equal Country in the World: What Happened?