请在处方上注明'rs'，表示药物需涂抹在右侧皮肤。

Please mark '___rs' on the prescription to indicate the medication should be applied to the right side of the skin.

这款设备支持rs485工业通讯标准。

This device supports the ___rs485 industrial communication standard.

这顿午餐花费了200卢比。

This lunch cost me 200 ___Rs.