the planetWORLDthe world – used especially when talking about the environment 地球〔尤用于谈论环境〕 a safer future for the planet 地球更安全的将来
the planet• The massive volcanic eruption could affect the climate of the whole planet.• Energy conservation is vital for the future of the planet.• the future of the planet• Ozone shields the planet from the effects of the sun's ultraviolet radiation.
→ the planet at planet(2)