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
Drive carefully.
开车时小心。
If he doesn't, will you wash the car?
如果他不，你会洗车吗？
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”