今天我们要学的每日一句的内容是：

Navy investigators have determined that a civilian
laborer set a fire that caused $400 million damage to a
nuclear-powered submarine because he had anxiety and
wanted to get out of work early.

美国海军调查人员称，一名油漆工因患焦虑症，想提早下班，点燃了一艘核潜艇，造成了4亿美元的损失。

【Vocabulary】

1. civilian:平民的

Example: He resigned his commission to take up civilian job.他辞去奎职儿从事平鸟工伧。

2. submarine:潜水艇

Example: The frigate rammed the submarine.护卫舰撞击了潜艇。

3. powered:装有发动机的；有动力装置的；产生动力的

Example: A small, portable lamp usually powered by batteries.手电筒一种通常用电池供电的小型便携式电灯。