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
I'd stay if they promoted me, But I can't see that happening.
假如他们提升我，我就留下来，但我看那是不可能的。
He must have three more weeks of rest before he is released.
他在出院以前，还需要三周时间的静养。
My pen dropped on the ground when I was walking in the park.
当我在公园里散步的时候，我的钢笔掉到地上了。