百度
谷歌
图片
维基
百科
underswing
underswing kip
undersynchronous
undertake
undertake fresh responsibility
undertaken
undertaker
undertaker's
undertaker's gain
undertaking
undertaking expenditures
undertaking of wide scope
undertaking revenue
undertakings
undertamping
undertax
undertaxation
undertenant
underthe covert of
underthings
underthrow distortion
underthrust
underthrust belt
underthrust zone
undertime
undertime-pay
undertint
undertip
undertissue
undertone
underswing kip
undersynchronous
undertake
undertake fresh responsibility
undertaken
undertaker
undertaker's
undertaker's gain
undertaking
undertaking expenditures
undertaking of wide scope
undertaking revenue
undertakings
undertamping
undertax
undertaxation
undertenant
underthe covert of
underthings
underthrow distortion
underthrust
underthrust belt
underthrust zone
undertime
undertime-pay
undertint
undertip
undertissue
undertone
underswing
['ʌndә'swiŋ]
负脉冲(信号)(瞬态特性), 负尖峰(信号)
负脉冲(信号)(瞬态特性), 负尖峰(信号)