substantiate什么意思、怎么读？单词用法、记忆法、发音音标、反义词辨析、词语翻译、例句造句

substantiate 音标：[səb'stænʃieit]

vt. 使实体化, 证实【经】确证

◆记忆方法一：
词根词缀记忆法：substantiate v 证实（sub+stant+iate→[把理论]物质化→证实）,St, sta, stat, stan, stant,

Attempts to substantiate the presence of the intermediate have not yet been fruitful.

有人试图证明中间体的存在，但尚未成功。