proximal cycle近: near; close端: end; extremity环: ring; hoop端环: end collar; end link; end rings; end-ring winding; open link近端: croup; local; near-end; proximal end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:近端环，即可在微信中查询翻译
