Preamplifier
n. 前置放大器\\n[计] 前置放大器
🗣️ 情景例句
visiting places of revolutionary interest, outings, parties.
参观革命圣地，出去郊游，或者举办晚会。
All I have to do is learn English.
我所要做的就是学英语。
Which speech are you going to listen to this afternoon?
今天下午你准备去听哪个报告？