Effective constant
[计] 有效常数
🧩 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
You'll have to ask a whole lot nicer than that I'm afraid.
恐怕你应该要问得有礼貌一点吧。
My brother's in the army.He was just promoted to the rank of major.
我的兄弟在军队工作.他就被提拔为少校。
All the food was on the table.
食品已全上桌。