名詞 offal:

1. viscera and trimmings of a butchered animal often considered inedible by humans

1. Offal is now thought to be very nutritious.
   現(xiàn)在認(rèn)為豬牛等的下水很有營養(yǎng)。

of.fal

n.（名詞）
Waste parts, especially of a butchered animal.
下腳料：廢的部分，尤指屠宰動物
Refuse; rubbish.
廢料；渣滓

來源：
Middle English
中古英語
of- [off] from Old English from of * see apo-
of- [離開] 源自 古英語 源自 of *參見 apo-
fal [fall]
fal [落下]