Effective resistance
[計] 有效電阻
?? 詞語組成解析
effective
[?'f?kt?v]
adj. 有效的;起作用的;實際的，實在的;給人深刻印象;
n. [軍]現役兵額，有生力量，精兵;
ef出+fect做，制作 +ive形容詞后綴 →做出來的 → 有效的
??? 情景例句
Mom is now on television
媽媽現在出現在電視上
I often brush my teeth in the morning.
我常常在早上刷牙。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
好吧。我們明天再多買些。現在我們應該把地板弄好。你能抓住木板的另一端嗎？現在你要來回拉動木板，使它的表面象那塊兒木板一樣光滑。