Ferroxyl indicator
[化] 铁锈指示剂
🧩 词语组成解析
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
You will never guess.
你绝对猜不到。
Excuse me, would you give me a hand?
对不起，你能帮我个忙吗？
But if I give you a ring, then you will know what it's about.
不过，如果我给你打电话，那时你就会知道我的诺言是什么了。