Double stain
[医] 二重染剂
🧩 词语组成解析
double
['dʌbl]
adj. 双的;两倍的;两面派的;双人用的;
vt. 使加倍;把…对折;重复;
vi. 加倍，加倍努力;快步走;
adv. 两倍地;双重地;
n. 两倍;双精度型;
doub二，双+le反复 → 反复两倍 → 翻倍
🗣️ 情景例句
She was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
Do you work near the university?
你在大学附近工作吗？
we quickened our pace and made our way rapidly towards the stream where we hoped the boatman was waiting.
快速地朝深溪边走去，希望船夫还在那儿等着我们。