单词	four-em space
释义	four-em space noun : a space in printing that is ¹/₄ of an em in thickness Word History Etymology contraction of four-to-em space
随便看	sphe sphecid Sphecidae sphecidaes sphecii Sphecius spheciuses sphecoid Sphecoidea sphecoideae sphecoideas sphecoides sphecoids sphecothereses sphecotheresses spheges Sphegidae sphen sphen- Sphenacanthocephala sphenacodont Sphenacodontia sphendone sphendones sphene

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