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
All you need is a little talent, and a lot of luck, and you too could become a celebrity.
你需要的就是一点点天才和多些运气，你也可能成为名人。
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
The busmen have stated that the strike will continue until general agreement is reached about pay and working conditions.
司机们声称此次罢工将一直持续到就工资和工作条件问题达成全面协议的时候为止。