backbones例句
Why do hummingbirds and gorillas both have
backbones?
为什么蜂鸟和大猩猩都有脊骨?
They are vertebrates, that is, animals that have
backbones.
它们是脊椎动物, 即有脊骨的动物.
Good service is our foundation and high quality drivers are our
backbones.
优质服务是强生立足之本,高素质司机是强生之脊梁.