1.back-up 备份的

例句：Then try living without the possession, knowing what your back-up plan is, and see if life is really that scary without the illusion of security.

在知道你备份计划的时候，尝试不需要这些财产的生活pJ[5RagmrU。 看看生活在没有这些"安全感"的幻觉下到底有多可怕+DGH]s9E@mN1H。

2.provide with 供给

例句：Beijing University provided her with an allowance when she was studying there.

北京大学在她学习期间给她提供了津贴L|1ju3I-+NL4%。

3.power outage 断电

例句：It will handle a full data-center power outage as well as a single server failure.

它可以处理整个数据中心电源断电以及单个服务器故障的情况vFgp.W&[5-v*g.(YsAU。

4.fire department 消防部门

例句：Your fire department can show you how to use an extinguisher properly.

当地消防部门可以教你如何正确地使用灭火器T5vi.p&KtQyZb。