precession of the earth地球: the earth; the globe进: advance; move forward; move ...动: harness cause disorder stir ...进动: precession motion; precessional motion球进洞: ball holed; holed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:地球进动,即可在微信中查询翻译