Wratten filter
[电] 赖顿滤光器
🧩 词语组成解析
[人名] 拉滕
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
The world could be heading for an economic recession.
世界也许正在走向经济衰退。
It is too late to lock the stable door when the steed is stolen.
贼出关门。
On the road outside the school gate.
校门外的路上。