Manatees, aquatic mammals inhabiting Florida's rivers and coastal waters, swim close to the surface and are frequently killed in collisions with boats.
海牛是生活在佛罗里达河流和沿海水域的水生哺乳动物，它们游到海面附近，经常在与船只相撞时被撞死。
2
Manatees (also called sea-cows) actually look like giant underwater slugs.
实际上海牛看上去像巨型的水下鼻涕虫。
3
Many are large animals, such as rhinos, tapirs, elephants, dugongs and manatees.