3 sentences

1. 他走在女孩几公尺之前，以防万一。

   tā zǒu zài nǚ​hái jǐ gōng​chǐ zhī​qián, yǐ​fáng​wàn​yī.

   He walked a few meters ahead of the girl, just in case.

   Source: CCMatrix

2. 我们的教室有十公尺长，五公尺宽。

   wǒ​men de jiào​shì yǒu shí gōng​chǐ cháng, wǔ gōng​chǐ kuān.

   Our classroom is ten meters long and five meters wide.

   Source: AI Challenger 2017

3. 虽然面积只有1平方公尺，但房子有一扇门，一扇窗户和一张椅子。

   suī​rán miàn​jī zhǐ​yǒu1 píng​fāng​gōng​chǐ, dàn fáng​zi yǒu yī shàn mén, yī shàn chuāng​hu hé yī zhāng yǐ​zi.

   Though its area is only 1 square meter, the house has a door, a window, and a chair.

   Source: CCMatrix