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
Prices are always negotiable.
价钱总是可以商量的。
Don't they believe it's necessary?
他们难道不认为它是必要的吗？
'You'll have to get off here,' the conductor said.
“您得在这里下车，”售票员说，