英语词汇staircase的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	staircase
词根词缀	Online Etymology Dictionary staircase n. also stair-case, 1620s, originally the enclosure of the stairs, from stair + case, n.2 in its sense "frame;" compare former window-case, door-case.
随便看	deer deerskin de-escalate def deface defacement de facto defalcate defalcation defamation defamatory defame default defeasance defeat defeatism defeatist defecate defecation defect defection defective defector defence defend

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