音标:[swifts] ;
n. 雨燕( swift的复数形式 ); (梳棉机等的)大滚筒; [动物](爬行迅速的)小蜥蜴( = spiny lizard); 绷架
n. United States meat-packer who began the use of refrigerated railroad cars (1839-1903)
n. an English satirist born in Ireland (1667-1745)
n. a small bird that resembles a swallow and is noted for its rapid flight

But there is at least one place in Florida where the manatees benefit from humans being around. Clean, hot water released from this power plant turns a man-made inlet into a hot tub. And during winter months when sea temperatures drop below 20 degree

发表于:2019-01-23 / 阅读(90) / 评论(0) 分类 探索与发现2013年

As well as the school, the cave houses eighteen families, together with their livestock. These could be the only cave-dwelling cows on earth. With schoolwork over, its playtime at last. In Southern China, caves arent just used for shelter; they can b

发表于:2019-02-02 / 阅读(133) / 评论(0) 分类 英语听力:文化博览2008年