Noun:

1. a device for making soundings

soundn.声音；嘈杂声；音乐风格；曲调；印象；感觉；海峡；鱼鳔；探针v.听起来；感觉起来；发出声音；发音；探测深度；探询adj.有效的；合理的；可靠的；全面的；健康的；完好的；酣睡的；严厉的adv.酣畅地sound hole音孔sound foil声箔soundscapen.音响风景sound side声侧sound lens声透镜sound bars[电] 声棒sound head拾音头,录音头soundalikeadj.有发音相似名字的人; 有发音相似名字的sound bank音源库sound wood坚实木材,良木

1. A device used underwater to produce pulses of sound, as for an echo sounder.
   声脉冲发送器置于水下产生声脉冲的装置，如回音器中的装置