Effective gamma-ray activity
[医] 有效γ[射]线放射活动度
🧩 词语组成解析
effective
[ɪ'fɛktɪv]
adj. 有效的;起作用的;实际的，实在的;给人深刻印象;
n. [军]现役兵额，有生力量，精兵;
ef出+fect做，制作 +ive形容词后缀 →做出来的 → 有效的
n. 希腊语的第三个字母(Γ,γ)\\n[医] γ(希腊文第三个字母), 丙种, 微克(千分之一毫克)
ray
[rei]
n. （热或其他能量的）射线;光束，光线;微量;伞形花序柄;
vt. 放射;照射;（思想，希望等）闪现;发光;
🗣️ 情景例句
According to the newspaper, Sally has quit her job.
报上说莎里辞职不干了。
I'll pick his wallet from his pocket.
我要从他的袋子里扒取钱包。
What! shouted the tiger.Another tiger? I want see him.I'll speak to him.
什么！老虎吼叫起来，“另一只老虎！我要见他。我要跟他谈谈。”