"voracious," 1520s, present participle adjective from an extinct verb raven "to prey, to plunder, devour greedily" (late 14c., implied in ravener), from Old French raviner (see ravenous). It is not etymologically related to raven (n.).
权威例句
1. He says the media are ravening wolves.
他说媒体就如同饿狼一般。
2. If he could get a fare nothing else mattered - he was like a ravening beast.