He had to have one leg amputated above the knee.他的一条腿不得不从膝部以上截断。To save his life, doctors amputated his legs.为了挽救他的生命，医生们截掉了他的双腿。He had to have both legs amputated.他不得不锯掉双腿。...
We can trust that company; the partners are in ballast all right.我们可以信任那家公司, 其合伙人都很可靠.He has got no ballast whatever.他这个人一点也不沉着.Then the sound of rumbling thunder reached the watchers on the shore, as cargo, ballast, amm...