Sulfonphthalein indicator
[化] 磺酞指示剂
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
And I'll be amply rewarded in return.
我会有作为奖赏的充分的回报。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
It is now standing in the corner of our sitting room.
它现在就站在客厅的一个角落。