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
He is with someone right now. Would you hold?
他现在在会客。你可以稍等吗？
And they are very proud of their son's success in getting a scholarship to Harvard.
他们为儿子获得哈佛的奖学金页感到非常自豪。
For example, with their help China can send its TV and radio programmes to the other side of the world.
例如，在卫星的帮助下，中国能把自己的电视及广播节目传送到地球的另一边。