Additivity
[化] 相加性; 加成性; 叠加性
🗣️ 情景例句
It's the best we can do under the circumstances.
情况就是这样， 我们已经尽力而为了。
What's your nationality?Are you a Chinese?
你的国籍是什么？你是中国人?
It was Lucy.
这是露西。