Compound indicator
[化] 复合指示剂
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
It's no use pumping a dry well.
徒劳无益。
How do you do? I'm sorry. I know only a little English.
你好！很遗憾，我只懂一点英语。