Ampligraph
摆幅记录仪
🗣️ 情景例句
I see under activities that
我注意到在 活动 项目中提到
How long have you had it?
你得这病多久了？
The basic features include a crest (the highest point of the wave),
它们的基本特征包括浪峰（波浪的最高点）