Conradson carbon residue
[化] 康拉逊残炭值(在油产品内)
🧩 词语组成解析
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
Don't criticize him for his delay.
不要责备他的延误。
It was obvious that he was very embarrassed.
显然他感到很尴尬。