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
What's up?
什么事？
I hope so.
希望如此。
As long as all was still, the pen drew a straight line,
只要一切都是静止的，笔就会划出一条直线；