Effective area
[计] 有效面积
🧩 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
area
['ɛrɪə]
n. 地区;区域，范围;面积，平地;领域;
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
To consider the statistics
细看统计
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.
一种叫“探宝器”的新机器已经发明出来，并被人们用来探测地下埋藏的金子。