Demonstrater
vt. 证明, 论证, 证实：；(用实例、标本、实验等)说明, 解释, 表明；教：\\nvi. 示威；参加(或举行)集会(或游行示威)：；示范
🗣️ 情景例句
I agree. I appreciate your helping me, Jack.
我同意，谢谢你的帮助杰克。
When is he expected to be back?
他什么时候回来？
Fred realized that he had discovered an interesting and enjoyable way of making money.
弗雷德认识到，他已找到了一种既有趣又愉快的挣钱方法。