Serrasoid
锯齿波(调制)
🗣️ 情景例句
Here's your cinnamon, Pop.
这是你要的肉桂， 爸爸。
How many pieces are you going to buy?
你要买几个？
Yes, our market analysis tells us our prime user will be between 40 and 60.
好的，我们的市场分析告诉我们，我们产品主要的使用者年龄将在40至60岁。