Effective antenna length
[电] 有效天线长度
🧩 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
antenna
[æn'tɛnə]
n. [生] 触角，触须;感觉，直觉;天线;
an 等加在同辅音字母的词根前，表示\"一再\"等加强意 + t + enn =year,表示“年，一年” + a → n.天线
🗣️ 情景例句
Chances are they'll give in.
他们也许会做出让步。
Nothing is impossible to a willing heart.
心之所愿，无事不成。
From the moment of his birth, the customs into which he is born shape his experience and behaviour.
从他呱呱坠地的时刻起，他所生于其中的风俗就开始塑造他的经历和行为规范。