metacentric chromosome等: class; grade; rank臂: arm染: dye体: body; part of the body等臂染色体: homobrachial chromosome; isobrachial chromosome; isochromosome; metacentric chromosome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:等臂染体，即可在微信中查询翻译
