Optical filtering
[计] 滤光
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
He's a terrific doctor, Mom.
爸爸是个了不起的医生， 妈妈。
He that will eat the nut must first crack the shell.
欲所得，必先劳。
At the moment in my country there are very few such schools.
目前在我国这类学校太少了。