Unidirectional antenna
[电] 单向天线
🧩 词语组成解析
unidirectional
[,ju:nidi'rekʃənəl]
adj. 单向的，单向性的;
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
that I wasn't sure.
我说我不能确定。
It has been a long time since last came here.
自从我上次来这里已经有很长时间了。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。