Complete additivity
[计] 完全可加性
🧩 词语组成解析
[化] 相加性; 加成性; 叠加性
🗣️ 情景例句
He has an old head on young shoulders.
他年轻又有见识。
The President is going to address the nation on television this evening.
总统今晚将向全国发表电视讲话。
Be quiet!
安静点！