However, iPhones and other smartphones now offer an option in which users can input characters by drawing them onto the touch screen.
现在苹果手机和其他一些智能手机为使用者提供了触屏输入的功能。
Clears all the editable input characters from the formatted string, replacing them with prompt characters, and then outputs descriptive information.
通过用提示字符替换可编辑输入字符，从带格式字符串中清除所有可编辑输入字符，然后输出描述性信息。
Clears all the editable input characters from the formatted string, replacing them with prompt characters, and then outputs descriptive information.
通过用提示字符替换可编辑输入字符，从带格式字符串中清除所有可编辑输入字符，然后输出描述性信息。
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