gristle/grɪsl; `ɡrɪsl/ n[U]tough unappetizing tissue (esp cartilage) in meat 肉中难吃的硬组织（尤指软骨） I can't eat this meat it's all gristle, ie full of gristle. 这肉不能吃--净是软骨.
牛津英汉双解词典