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
You have to ask for my father's permission.
你必须征得我父亲的同意。
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
Hello. You look tired today.
你好。你今天显得有点儿累。