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
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
Would you please pass the salt?
请您递给我盐。
and the more difficult it is, the more highly it is regarded.
他们认为， 道路愈艰险愈带劲儿。