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
He emphasized the importance of being honest.
他强调诚实的重要性。
It's December.
现在是十二月。
On Christmas Eve the night before Christmas Day children all over Britain put a stocking at the end of their beds before they go to sleep.
在圣诞节前夜圣诞节前一天夜里全英国的孩子们在睡觉前，都把他们的长统袜挂在床脚边。