Directional relay
[电] 定向继电器
🧩 词语组成解析
directional
[[di'rekʃənəl]]
a. 方向的
relay
[rɪ'lɛi]
n. 接替人员，替班;传递;接力赛;继电器;
vt. 转播，传达;用驿马递送，使接替;分程传递;
🗣️ 情景例句
A man can develop his mind by reading.
读书增进个人的智慧。
I told him to stay for supper.
我告诉他留下来吃晚餐。
In it there was a boatman fast asleep.
船上有一船夫在呼呼大睡。