The order essentially asks Apple to hack its own devices, and once it is in place, the precedent could be used to justify law enforcement efforts to get around encryption technologies in other investigations far removed from national security threats.
2017年12月六级真题（第三套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
VERB
调查;审查
If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth.