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
I can't build a fire by rubbing two pieces of wood together.
我总不能靠着磨擦两片木柴来取火吧。
That's international practice. We can't break it.
这是国际惯例，我们不能违背。
I'll tell my mother what we've decided to do.
我要告诉我妈妈我们的决定。