Phonometry
声强度测量法
🗣️ 情景例句
All right, let's agree to differ on this topic.
好吧，我们在这个问题上保留各自的观点。
Little pigeons can carry great messages.
少年也可以成大事。
After lunch Aunt Huang came in and she looked worried.
午饭后黄阿姨来了，她面带愁容。