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单词 sound
释义

sound obj WATER DEPTH
saJnd
v [T]
to measure the depth of (a mass of water, such as the sea), usually by SONAR
(用声纳)测量水深
A piece of line with a weight at one end is sometimes used to sound a lake or river.
有时用带线的锤子来测量湖或河的深度。
ECHO中的echo sounder

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更新时间:2025/1/8 11:07:20