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
worrying about him.
为他操心。
Without a friend,the world is wilderness.
没有朋友，世界成了荒野。
When she reached home, her mother asked:Have you got everything?
“你东西买齐了吗？”