Mobile sources
[经] 机动的来源
🧩 词语组成解析
n. 输入源；发起者；来源（source的复数）
🗣️ 情景例句
If we don't get dressed,
假如我们不去打扮的话，
How do you spend your evenings?
夜生活你都是怎么过的？
In this way, he was able to solve the mystery.
就这样，他解开了起火之谜。