natural ordering自然: nature; natural world顺序: sequence关系: relation; filiation; relatio ...自然顺序: natural ordering顺序关系: ordering relation; ordinal relation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:自然顺序关系，即可在微信中查询翻译
