新托福阅读资料:游泳机器(原文+解析)
今天给大家分享一篇名为“SWIMMING MACHINES”的文章。后面有分析。 Tunas, mackerels, and billfishes (marlins, sailfishes, and swordfish) swim continuously. Feeding, courtship, reproduction, and even "rest" are carried out while in constant motion. As a result, practically ev...