Preamplification
前置放大
🗣️ 情景例句
You will waste a lot of money trying to keep up with the newest fashions every year.
为了跟上每年最新的时装潮流，你得花大把的钱。
Jack grew timid when he saw the size of the shoes on the front step.
杰克看到了放在玄关的鞋子的尺寸时，甚为吃惊。
The Ombudsman's prompt action at once put an end to an unpleasant practice which might have gone unnoticed.
司法特派员及时采取的行动，迅速制止了这一起不愉快的事件，不然这件事可能因未得到人们注意而不了了之。