20秒记一个单词（第2050个）validatevalidate /?v?l?de?t/ v. 证实；确认；确证:点击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓例句/词组:to validate a theory 证实实际英语表明：to prove that sth i...