Effective radius
[化] 有效半径
🧩 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
An economic recession now seems more than likely.
现在看来，经济衰退的可能性相当大。
A young married couple moved in next door to us.
一对年轻结婚的夫妇搬到了我们的隔壁。
I'm going to get it back.
我打算去把它取回来。