拉布拉多猎犬仍然是美国头号犬 法国斗牛犬排名第二

cute –n. having a pleasing and usually youthful appearance

purebred –n. an animal that has parents of the same breed

nipping at the heels –idiom to be almost as good as your closest competitor

snuggle up –phrasal verb to lie or sit close together in a comfortable position

hot dog –n. a small cooked sausage that is mild in flavor and is usually served in a long roll

cliff –n. a high, steep surface of rock, earth, or ice

steep –adj. almost straight up and down: rising or falling very sharply