Saturation index
[化] 饱和指数
🧩 词语组成解析
index
['ɪndɛks]
n. 索引;<数>指数;指示;标志;
vt. 给…编索引;把…编入索引;[经济学]按生活指数调整（工资、价格等）;
vi. [机械学]转位;
in(in)+dex(proclaim)→指针；索引；指数；食指；指标
🗣️ 情景例句
Hello, Miss Wang. I'm fine, and you?
喂，王小姐，我很好，你呢？
It looks like it's going to be sunny.
今天看来像是个晴天。
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；