Optical filter
[计] 滤光器\\n[化] 滤光片
🧩 词语组成解析
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
Help me with this tie, will you?
帮我打领带 好吗
You must be hungry. Shall we get something to eat?
你一定饿了，我们吃点东西好吗？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。