| 单词 | echo-sounder |
| 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. |

英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。
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| 单词 | echo-sounder |
| 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. |

英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。