Pistons
n. <机>活塞( piston的复数形式 )
🗣️ 情景例句
You're so nice!
你真好！
Many receive advice only the wise profit by it.
聆忠言者众，智者独获益。
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。