Relay selector
[计] 继电器选择器\\n[化] 继电器式选择器
🧩 词语组成解析
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;
selector
[si'lektə]
n. 选择者，选择器;
🗣️ 情景例句
and the problem is that it's set up primarily for kids to play.
而问题是它主要是让孩子们去玩的。
He works best who knows his trade.
内行的人做他的事一定会做得最好。
It's not as cold as it was yesterday.
今天不想昨天那么冷。