Digital filtering
[计] 数字滤波
🧩 词语组成解析
[计] 过滤
🗣️ 情景例句
It's meant to be.
命该如此。
I'm afraid all my efforts were in vain.
我担心我的努力全白费了。
The prisoner felt sorry for him, but there was nothing else he could do.
战俘为他感到惋惜，但却没有别的选择。