Radioactive constant

[医] 放射性常数

🧩 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
constant ['kɑnstənt]
adj. 不断的，持续的;永恒的，始终如一的;坚定;忠实的; n. [数]常数，常量;不变的事物;永恒值;
con始终+stant站立→始终站着→不变的

🗣️ 情景例句

Did you have a good time today?
今天玩得开心吗？
It's quite an intersive few days.
那几天可真紧张。
They would have continued to struggle against economic odds and would have lived in obscurity.
这家人会继续为克服经济上的拮据而奋斗，并默默无闻地活下去。
更多情景英语 ›

🔤 更多 R 开头的单词

raised-face flange
ration-book
Reaganomics
regular link
repentant [ri'pentənt]
resist film
rheumatic gout
rigamarole
全部 R 开头单词 ›