Radioactive indicator

[化] 放射指示剂

🏥 医学释义

放射性示踪剂

🧩 词语组成解析

radioactive ['redɪo'æktɪv]

adj. 放射性的;

radio光线+act行动，做+ive有...性质的、有...作用的 →放射性的

indicator ['ɪndɪketɚ]

n. 指示器;[化]指示剂;指示者;

🗣️ 情景例句

And Alexandra brought us a pumpkin pie. Alexandra

Alexandra给我们带来了一个南瓜派。

I have no choice.

我别无选择。

A sound made by tapping on the hull of a ship will be reflected from the sea bottom,

敲打船体所发了的声音会从海底传回来，

更多情景英语 ›

🔤 更多 R 开头的单词

R.E.

ratiocinate

real-time response

red-carpet

relaxations

resident memory

retarded potential

ring-oiled sleeve bearing

全部 R 开头单词 ›