astaticnon directionalnon directivenondirectionalomnidirectionalundirectional不定: indefinite; indeterminate向: direction的: 4次方是 The fourth power of 2 i ...不定向的链: non-oriented chain不直接提问的, 不定向的: nondirective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:不定向的,即可在微信中查询翻译