Substantiating
v. 用事实支持（某主张、说法等）, 证明, 证实( substantiate的现在分词 )
✅ 同义词
🗣️ 情景例句
You're kidding!
在开玩笑！
He threw a dance for them.
他为他们举行晚会。
She did not even look up when I took my seat beside her.
当我在她身旁坐下来的时候，她甚至连头都没有抬一下。