Postamplifier
后置放大器
🗣️ 情景例句
Oh, Daddy, does that mean we don't have to move?
噢 ，爸爸 ，你的意思是我们不必搬家了？
The fog disrupted airline schedules.
这场大雾扰乱了航空公司的时刻表。
Has he had anything to eat this morning?
他今早吃了什么东西吗？