Fluorescence standard substance
[化] 荧光标准物
🧩 词语组成解析
fluorescence
[[flɔ:'res(ə)ns]]
n. 荧光, 发荧光, 荧光性\\n[化] 荧光
standard
['stændɚd]
n. 标准，规格;旗，军旗;度量衡标准;直立支柱;
adj. 标准的，合格的;普遍的，一般的;公认为优秀的;
🗣️ 情景例句
Since you don't have enough income,
由于你们的收入不够
Maybe we should hold off until we have covered item B on our agenda.
也许我们应该先谈论完B项议题。
Suddenly, there was a slight trembling sound from below, and the captain went down to see what had happened.
突然，从船舱下部传来一声微颤音，船长走下船舱去查看究竟。