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 got lost for two days and I couldn't find anyone who could understand me.
我已经迷路两天了，找不到一个人可以听懂我的话。
He cut his finger because he was careless.
他不小心割破了手指头。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。