9 sentences

1. 下一个键有两个功能。

   xià yī​gè jiàn yǒu liǎng gè gōng​néng.

   The next key has two functions.

   Source: OpenSubtitles

2. 一台钢琴有几个键？

   yī tái gāng​qín yǒu jǐ gè jiàn?

   How many keys does a piano have?

   Source: OpenSubtitles

3. 输入完成后，请按回车键。

   shū​rù wán​chéng hòu, qǐng àn huí chē jiàn.

   After you finish typing, please press the Enter key.

   Source: Dong Chinese Dictionary

4. 他按下了键盘上的空格键。

   tā àn​xià le jiàn pán shàng de kòng​gé​jiàn.

   He pressed the space bar on the keyboard.

   Source: Dong Chinese Dictionary

5. 点击确定键即可保存更改。

   diǎn​jī què​dìng jiàn jí kě bǎo​cún gēng​gǎi.

   Click the 'OK' button to save your changes.

   Source: Dong Chinese Dictionary

6. 如果系统没有响应，请按下复位键。

   rú​guǒ xì​tǒng méi​yǒu xiǎng​yìng, qǐng àn​xià fù​wèi jiàn.

   If the system is not responding, please press the reset button.

   Source: Dong Chinese Dictionary

7. 按任意键。

   àn rèn​yì jiàn.

   Press any key.

   Source: OpenSubtitles

8. 工人正在检查机器轴承上的锁键。

   gōng​rén zhèng​zài jiǎn​chá jī​qì zhóu​chéng shàng de suǒ jiàn.

   The worker is checking the locking key on the machine bearing.

   Source: Dong Chinese Dictionary

9. 这种分子结构中含有一个共价键。

   zhè zhǒng fēn​zǐ jié​gòu zhōng hán​yǒu yī gè gòng jià jiàn.

   This molecular structure contains a covalent bond.

   Source: Dong Chinese Dictionary