Flac
abbr. 无损音频编解码器（Free Lossless Audio Codec）；程序使用手册；音频文件格式
🗣️ 情景例句
You should take the number 1 subway.
应当搭一路地铁。
He emerged as leader at the age of thirty.
他在30岁时出人头地成为领袖。
There are twenty-four boys, and twenty-two girls.
二十四个男生，二十二个女生。