犬科動物:canine,wolf,coyote,jackal,dog 貓科動物: feline,puma, lynx, tiger, lion, leopard, cat 表示情緒的詞: happy,excited,scared,unsure,distress,boredlonely, upset 貓和狗的叫聲: purr,meow, yowl, hiss,growl,whine,yip, bark, howl hunt for... 獵取·....·( 通常指食物或毛皮 ) a range of一系列; 一些 on average 平均; 普通 when it comes to... 當提到·.....就··.···而論 be related to 與.....·有關 倍數的表達方式，例如: That's twice as many as cats-and 40times more than humans! no matter +特殊疑問詞”句型，例如: No matter who yourfavorite is, one thing is certain: Fur will fly in this battle of the pets! “too...to...”句型，例如: Some cat owners believe that cats aretoo smart to take orders from a human.