amphivasal vascular bundle周: circumference; periphery; ci ...木: tree型: mould; model维管束: vascular bundle; vascular st ...维: tie up; hold together; link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:周木型维管束 周木维管束，即可在微信中查询翻译
