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
And a good paint job.
还需要好好的粉刷。
I tried calling you several times yesterday but I couldn't get through.
我昨天给你打了几次电话，但都没有打通。
While they were talking it began to rain and Dimitri stayed in Aleko's house until the rain stopped.
就在他俩说话的时候，天下起了雨，迪米特里便呆在阿列科家里避雨，一直等到雨停为止。