Approval test
[计] 合格性实验\\n[化] 鉴定试验; 接收试验; 认可试验
🧩 词语组成解析
🗣️ 情景例句
Well, that's easy.
哦， 那很简单。
As the call, so the echo.
发什么声音，有什么回声。
The petrol had nearly all been used up.
汽油几乎已经用光。