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echo sounder

n.
1.a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return

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  • echo
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  • echium vulgare
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  • echinus esculentus
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  • echinus
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  • echinops
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  • echinoidea
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  • echinodermata
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  • echinoderm genus
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  • echinoderm family
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  • echo sounding
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  • echocardiogram
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  • echocardiograph
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  • echocardiography
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  • echoencephalogram
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  • echoencephalograph
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  • echoencephalography
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  • echoic
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  • echoing
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  • echolalia
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  • resedaceae
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  • unsilenced
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  • electric ray
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  • orly
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  • right-handedness
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  • religious writing
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  • pallbearer
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  • letters of marque
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  • bedaubed
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    Idiom of the Day

    bring home the bacon
    to work and earn money for your family
    My friend works hard to bring home the bacon for his family.



    1.
    Choose an idiom to replace the expression in the brackets:
    The boy has been studying very hard and (gradually) his English is improving.

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