knot tail结: p-n junction丝: silk结头尾: end of the knot结头: knots; slubs尾丝: anal filaments; filum terminale; tail fiber; tail fibre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:结头尾丝，即可在微信中查询翻译
