Pistons
n. <机>活塞( piston的复数形式 )
🗣️ 情景例句
since her mother died.
因为她妈妈去世了。
Watch out, it's dangerous.
注意，危险啊！
.Mr and Mrs Shute had a daughter called Jane.
舒特先生和夫人有一个女儿，名叫简。