double-checkerboard pattern双: two; twin; both; dual检查: check up; inspect; examine; ...盘: tray; plate; dish图案: pattern; design观察检查盘: access panel下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:双检查盘图案,即可在微信中查询翻译