名詞 sounder:

1. a device for making soundings

形容詞 sound:

1. financially secure and safe
   同義詞：sound
2. exercising or showing good judgment
   同義詞：healthy, intelligent, levelheaded, level-headed, sound
3. in good condition; free from defect or damage or decay
   同義詞：sound
4. in excellent physical condition
   同義詞：good, sound
5. logically valid
   同義詞：reasoned, sound, well-grounded
6. having legal efficacy or force
   同義詞：legal, sound, effectual
7. free from moral defect
   同義詞：sound
8. (of sleep) deep and complete
   同義詞：heavy, profound, sound, wakeless
9. thorough
   同義詞：sound

1. A device used underwater to produce pulses of sound, as for an echo sounder.
   聲脈沖發(fā)送器置于水下產(chǎn)生聲脈沖的裝置，如回音器中的裝置