Sonagraph
[计] 声谱图
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
Switzerland is famous for its milk and cheese.
瑞士的牛奶和奶酪是非常出名的。
Yes, it's nice to be finished.
是啊，完成了真好。