Delphinids
海豚
🗣️ 情景例句
How much do you need?
你需要多少钱？
Look who's talking!
怎么不说你自己？
For most of the earth's history they have been the only form of life on our planet.
在地球上发展的大部分进程中，细菌是地球上唯一的生命形式。