posterior lateral arm后: behind; back; rear侧: slant; sloping腕: wrist侧腕: lateral arm; pleurobranchia后侧: backside; posterior aspect; posterior side; rear side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:后侧腕,即可在微信中查询翻译