Preamp
n. （无线电）前置放大器
🗣️ 情景例句
His number is five, five, five, seven, five, three, two.
他的号码是5557532。
We can live without a brother, but not without a friend.
我们生活中可以没有兄弟，但不能没有朋友。
The dish now had to be lifted vertically because one edge was resting against the side of the canal.
这次，盘子必须垂直吊出水面，因为盘子的一边紧靠着运河河岸。