Preclarificator
预澄清器, 沉淀池
🗣️ 情景例句
and make sure that it is in good condition
确定它状 良好
Never offer to teach fish to swim.
切莫教鱼游泳。
We are trying to collect money for a wildlife project.
我们正在设法募集资金搞一个野生动物项目。