Microphone amplifier
[电] 微音器放大器
🏥 医学释义
传声放大器
🧩 词语组成解析
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
She made a notable contribution to science.
她对科学做出了杰出的贡献。
Oh, thanks very much. I'd love to. What time is it going to start?
噢，非常感谢。我当然想去。聚会什么时候开始？