Polyreaction
聚合反应
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
As they sow, so let them reap.
种瓜得瓜，种豆得豆。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。