Echograph
n. 回声深度记录器
✅ 同义词
🗣️ 情景例句
Where did you go to school?
你在哪儿上学？
How long will it take for a letter to get to California?
你把信寄到加州要多长时间？
It has been said that everyone lives by selling something.
据说每个人都靠出售某种东西来维持生活。