Effective diameter
[机] 有效直径
🧩 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
Yes, we are, Mr. Wang. How are you going to pay?
对，我们开门。你打算如何付钱？
To consider the statistics
细看统计
'My dog had taken in into the garden.He often does this!'
“我的狗把它弄到花园里去了，他常干这种事！”