Ph indicator
[化] 酸碱指示剂
🧩 词语组成解析
氢离子指数\\n[医] 药典; 苯基
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
We want to be sure that you're responsible
我们要确定你是肯负责的，
Whatever he does, don't say a word.
不管他做什么，你都不要讲话。
The other students in the class keep their eyes closed.
班里其余学生一直闭着眼。