Rgo
abbr. reciprocal gait orthosis 交替步態矯形器; risk factors for gastroesophageal reflux 胃食管反流風險因素; Royal Greenwich Observatory <英國>皇家格林尼治天文臺
??? 情景例句
He complained to me about the food.
他向我抱怨伙食不佳。
Oh, yes.
噢，是的。
Are you out of your mind?
你瘋了嗎？