echo depth sounding 深度回声法...sounding board 共振板...air and sounding pipe 测探兼用空气管...sounding-rod n.量水尺...sounding balloon 探空气球...high-sounding a.听起来了不起的,声音响的...reflection sounding 反射发声...supersonics sounding 超音共鸣...sounding a.发出声音的,响亮的,夸大的...
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