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单词
pinger
释义
ping·er
AHD
[pĭngʹər]
D.J.
[ˈpɪŋə]
K.K.
[ˈpɪŋɚ]
n.
(名词)
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
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retain
retained
retained object
retainer
retainer
retainers
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retaining wall
retains
retake
retaken
retakes
retaking
retaliate
retaliate
retard
retard
retardant
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retardate
retardated
retardates
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更新时间:2026/11/4 7:02:40