Booster smplifier
[电] 升压放大器
🧩 词语组成解析
booster
['bu:stə]
n. （电器的）增压机;助推器，多级火箭的第一级;热情的支持者;
🗣️ 情景例句
I was a member of the debate team.
我是辩论队的成员。
The tour will take about an hour and a half. We ought to be back here by 3:00.
参观大概要一个半小时，3点钟以前回到这里。
I'll send you a note about that.
我会寄一张便条给你。