要确保轮胎充气适中，以确保行车安全。

Yào quèbǎo lúntāi chōngqì shìzhōng, yǐ quèbǎo xíngchē ānquán.

Ensure that the tire pressure is moderate to ensure driving safety.

汽车的轮胎应定期检查和更换。

Qìchē de lúntāi yīng dìngqī jiǎnchá hé gēnghuàn.

The car tires should be checked and replaced regularly.

我的自行车轮胎爆了，需要修理。

Wǒ de zìxíngchē lúntāi bàole, xūyào xiūlǐ.

The tire of my bicycle burst and needs repair.