单词	sit-upon
释义	sit-upon noun plural -s 1 : buttocks 2 : a square of waterproof cloth carried by hikers and campers for sitting on wet ground Word History Etymology from sit upon, verb
随便看	opponencies opponency opponent opponents opportune opportunely opportuneness opportunenesses opportunism opportunisms opportunist opportunistic opportunistically opportunists opportunities opportunity opportunity cost opportunity school oppos opposabilities opposability opposable opposal oppose opposed

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