Effective money
[经] 硬币
🧩 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
money
['mʌni]
n. 钱;财富;薪水;款项;
🗣️ 情景例句
A dime is 10 cents. It's one tenth of a dollar.
一角有十美分，是一美元的十分之一。
The computer industry is booming.
计算机业繁荣起来。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。