Optical filtering
[计] 滤光
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
He's quiet now.
他现在很安静。
What day is it today?
今天星期几？
When he learnt that he would be sent abroad, he returned to the farm and his father hid him until the end of the war.
当他了解自己将被派遣出国时，他逃回农场，父亲把他藏了起来，直到战争结束。