Echograph
n. 回声深度记录器
✅ 同义词
🗣️ 情景例句
It's no big deal.
没什么大不了的。
A penny saved is a penny earned(or gained).
省钱就是赚钱。
One day she came into my room laughing happily.
有一天，她开心地笑着来到我的房间。