可以的 自己也试验成功了... 按照下面轨范一步一步来open up the mail app and tap the edit button.select one message.press and hold the mark button at the bottom of the screen.while still pressing and holding the mark button, tap the email you previously selected to unmark it.release the mark button.tap the mark as read button. 到果机网网站查看回答详情>>