Reverberometer
混响计, 混响时间测量计
🗣️ 情景例句
What about Michelle's school?
那Michelle的学校怎么办？
A wise man changes his mind, a fool never will.
智者通权达变，愚者刚愎自用。
Has he moved to his new house yet?
他已经迁进新居了吗？