Echo-sounder
音响测深机
📖 牛津释义
echo-sounder
n instrument used for determining the depth of sth underneath a ship by measuring the time taken for sound waves to be echoed back from it 回声探测器.
🧩 词语组成解析
echo
['ɛko]
n. 回声，共鸣;（言语、作风、思想等的）重复;重复者;[无线电]回波;
vt. 重复，效仿;随声附和;类似;发射（声音等）;
vi. 被重复;产生回响;充满回声;
echo-, ech- 表示”声音 ,噪音”;特备是”回声”;”重复,模仿”
n. 发声者, 鸣响的东西, 音响发声器, 测深员\\n[电] 音响器
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
A road of a thousand miles begins with one step.
千里之行始于足下。
Not at all, dear. It was a pleasure.
不必客气，亲爱的。这样我很高兴。