Fluorescence indicator
[化] 荧光指示剂
🧩 词语组成解析
fluorescence
[[flɔ:'res(ə)ns]]
n. 荧光, 发荧光, 荧光性\\n[化] 荧光
indicator
['ɪndɪketɚ]
n. 指示器;[化]指示剂;指示者;
🗣️ 情景例句
I'm not really sure.
我不是太有把握。
Not let the grass grow under one's feet.
不失时机。
If they knew how difficult it was to drill through the hard rock, they would lose heart.
如果他们知道了钻透那坚硬的岩石有多么困难，他们会丧失信心的。