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'm terribly sorry about that.
为此我非常抱歉。
By other's faults, wise men correct their own.
他山之石，可以攻玉。
for the woman's eyes immediately lit up and she fetched several bottles which she placed on the counter for Harry to inspect.
因为那女售货员听完哈里的话后，马上眼睛一亮，拿出几瓶东西放在柜台上让哈里挑选。