Hanzi input keyboard

例句：

1. 1. The Hanzi input keyboard is widely used in Chinese-speaking countries.
   汉字输入键盘在汉语国家广泛使用。
2. 2. The Hanzi input keyboard has become an essential tool for learning Chinese.
   汉字输入键盘已成为学习汉语的必备工具。
3. 3. The Hanzi input keyboard allows users to input Chinese characters quickly and accurately.
   汉字输入键盘允许用户快速而准确地输入汉字。