Effective quantum number
[化] 有效量子数
🧩 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
🗣️ 情景例句
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
I swear I'll never tell anyone.
我发誓不告诉任何人。
Big Ben takes its name from Sir Benjamin Hall who was responsible for the making of the clock when the new Houses of Parliament were being built.
“大本”钟得名于本杰明。霍尔爵士，因为当建造新的国会大厦时，他负责建造大钟。