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
Here are the samples for your examination.
这里是样品，请查看。
Oh, really? I'm moving there too.
真的？我也会搬到那儿去。
They are near the river.
他们紧靠着河。