Pre-filter
n. 预滤器
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
filter
['fɪltɚ]
n. 滤波器;滤光器;滤色镜;[化] 过滤器;
vi. 过滤;透过;渗透;
vt. 过滤;滤除;
🗣️ 情景例句
Did you have dinner, Robbie?
你吃晚餐了吗， Robbie？
It won't work.
行不通。
We need three times as much as we originally ordered.
原来的三倍。