Effective height
[电] 有效高度
🧩 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
height
[haɪt]
n. 高度，海拔;高地;身高;绝顶，顶点;
🗣️ 情景例句
This small child is quite self-centered. Maybe he is spoiled by his family.
这个小孩挺以自我为中心的，可能是被家人宠坏了。
By the hands of many a great work made light.
众擎易举。
While he was eating, I asked him to lend me twenty pounds.
当他吃饭时，我提出向他借20英镑。