红墨水能被水洗去，但总会留下一些粉红色痕迹。

Red ink washes out but always leaves a pink stain.

youdao

常有黄色、红色、白色、黑色、蓝色、绿色墨水可供选择。

Often yellow, red, white, black, blue, green ink to choose from.

youdao

常有黄色、红色、白色、黑色、蓝色、绿色墨水可供选择。

Often yellow, red, white, black, blue, green ink to choose from.

youdao