Double isotope derivative method
[化] 双同位素衍生物法
🧩 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
derivative
[di'rivətiv]
n. [数]导数，微商;[化] 衍生物，派生物;[语]派生词;
adj. 衍生的;导出的;拷贝的;
🗣️ 情景例句
How did the test turn out?
考试结果怎样？
A wonder lasts but nine days.
新鲜事儿不久长。
Many people will sleep and eat on the marae during these three days and share their memories of the dead person.
许多人还会在这3天期间吃住在集会地，以共同悼念亡人。