previous先前: before; previously在前: before; beforehand; in front ...的: 4次方是 The fourth power of 2 i ...在前的，先前的: preceding先前的: antecedent; anterior; foregoing; foregone; late; preceding; previous / prior / former; prior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:先前,在前的，即可在微信中查询翻译
