Precoated
(precoat 的过去时) (在过滤器表面涂敷的)滤料层
🗣️ 情景例句
I wouldn't miss a day even if I were really sick.
即使我真的病了，也不想错过一天。
I do not know whether you care to answer right away.
我不知道你是否愿意立即回答。
I'm afraid I have to go now.
现在我得走了。