n.馬士提夫犬；獒犬（大型猛犬之一種）
The Mastiff barked at the Fisherman, because he was too hungry. 大馴犬卻對(duì)著漁夫大聲叫起來,因?yàn)樗I了。
The Mastiff pup responded by flopping down on the grass and taking a nap. 這條幼獒犬的反應(yīng)是往草地上重重一趴，干脆打起盹兒來。
乳房炎
