Served
v. 招待；服役；发球；服务（serve的过去分词）
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
While waiting for the train I killed time by reading a book.
在等火车的时候我看书来消磨时间。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。