短語(yǔ)詞組短語(yǔ)upright sitting position 坐姿端正upright sitting position headrest 垂直坐位頭靠Tables for upright working position 寫(xiě)字臺(tái)perfect upright position 完美的豎直位置;完美的直立位置Varix in upright position 靜脈曲張的縱切面full upright position 完全直立位置in an upright position 起床Store cylinders in upright position 垂直放置氣瓶 返回 upright position