C2 noun #64,480 最常用

navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)

depth finder 30秒了解

  • (noun) navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)

Meanings

  1. 1
    noun navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
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