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
but he wants to do it
但他要削减
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
Thank you.
谢谢。