yaff

例句：

1. 1. I'm not sure what yaff means, but it sounds like a weird word.
   我不确定yaff是什么意思，但听起来像是个奇怪的词。
2. 2.The teacher asked us to spell the word "yaff" and explain its meaning.
   老师要求我们拼写这个词并解释其含义。
3. 3.I don't know what yaff is, but it seems like a strange word to me.
   我不知道yaff是什么，但它对我来说听起来很奇怪。