Preamplifier
n. 前置放大器\\n[计] 前置放大器
🗣️ 情景例句
but this is an important opportunity.
但这是一次很重要的机会。
You just don't appreciate it.
不识抬举。
Frank begged him to do so and the dealer reluctantly prised it open.
经弗兰克恳求，古董商才勉强把货箱撬开了。