Colour developing reagent
[化] 顯色劑
?? 詞語組成解析
colour
['k?l?]
n. 顏色;膚色;彩色;（用于服裝、旗幟等代表團隊、學校、政黨或國家的）色彩;
vt. （用顏料、彩色筆等）為…著色;粉飾;歪曲;使臉紅;
vi. 變色;
developing
[di'vel?pi?]
adj. 發展中的;顯色;開發;顯像;
reagent
[ri(:)'eid??nt]
n. 反應物，試劑;
??? 情景例句
What subject did you major in university?
你在大學主修的科目是什么？
In college I majored in physics, What was you major?
大學時我主修物理，你主修什么呢？
How are you getting to the airport? Is anybody seeing you off?
你打算怎樣去機場？有人送你嗎？