key area的用法和樣例：
例句
- FEMA has pre-positioned supplies and equipment in key areas ready to move when storms strike.
聯(lián)邦應急管理局已經(jīng)在關(guān)鍵地區提前備好供給和裝備，一有颶風(fēng)來(lái)襲即可轉移。 - In the US-led fight against international terrorism, Southeast Asia has become a key region.
在美國領(lǐng)導的國際反恐戰爭中，東南亞已成為一個(gè)關(guān)鍵地區。
