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
in the children's ward.
在小儿科病房那边。
Who is it? Come down.
是谁？下来。
Three quarters of the world's books and newspapers are written in English.
3/4的书籍和报纸是用英语写的。