Competent authorities
[经] 主管当局
🧩 词语组成解析
authorities
[[ɔ:'θɔritiz]]
n. 当局, 官方（authority的复数）
🗣️ 情景例句
You go first.
你先来。
What's your name?
你叫什么名字？
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。