Relative activity
[化] 相对活度\\n[医] 放射性比度
🧩 词语组成解析
relative
['rɛlətɪv]
adj. 相关的;相对的;相互有关的;比较而言的;
n. 亲属，亲戚;相关物;亲缘植物（或动物）;[语法学]关系词;
relat=relate联系+ive名词后缀，表人 →亲戚
🗣️ 情景例句
I've got no idea.
我不知道。
A bird is known by its note,and a man by his talk.
鸟以声闻，人以言知。
Fortunately for me, as I was wondering what to do next, there appeared on the horizon a man on horseback, riding in my direction.
不过，我是幸运的，正当我走投无路之时，从天边出现一个骑马的人向我骑来。