R-f head
[电] 射频头
🧩 词语组成解析
head
[hed]
n. 上端;头脑;头部;首脑，首长;
vt. 用头顶;前进;作为…的首领;站在…的前头;
vi. 朝…行进;出发;向…方向移动;船驶往;
adj. 头的;在前头的;首要的;在顶端的;
🗣️ 情景例句
I would like to make an appointment for a hairdo, please.
我想预约理发， 劳驾。
I invited him to come back, but he wouldn't.
我请他回来，但是他不肯。
Didn't you see the speed limit?
难道你没看见限速牌吗？