Precleaner
预清机, 粗选机
🗣️ 情景例句
He sounds just like the person we need for the job.
听起来他正是我们所需要的人，适合在这里做事。
When is the most convenient time for you?
你在什么时间最方便呢？
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。