n.反芻的食物
It did infect all cud-chewing animals, but many of them showed no symptoms. 它的確感染所有反芻動(dòng)物，但很多動(dòng)物被感染后沒有癥狀。
I chewed the cud for a couple of days before deciding to refuse your offer. 我反復(fù)思考了二三天后才決定拒絕你的提議。
