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
She has now held the post of Prime Minister longer than anyone else this century.
她现在担任首相任期之长在本世纪是前所未有的。
No,it isn't.
不，不是。
'Have you anything to declare?' he asked, looking me in the eye.
“您有什么需要申报的吗？”他直盯着我的眼睛问。