液体超过规定容量，就必须托运，不能随身带上飞机。

Yètǐ chāoguò guīdìng róngliàng, jiù bìxū tuōyùn, bùnéng suíshēn dài shàng fēijī.

If liquids exceed the allowed volume, they must be checked in and cannot be carried on the plane.

请提前两小时到机场办理行李托运手续。

Qǐng tíqián liǎng xiǎoshí dào jīchǎng bànlǐ xínglǐ tuōyùn shǒuxù.

Please arrive at the airport two hours early to check in your luggage.

如果行李在托运过程中丢失，航空公司需要负责赔偿。

Rúguǒ xíngli zài tuōyùn guòchéng zhōng diūshī, hángkōng gōngsī xūyào fùzé péicháng.

If luggage is lost during transport, the airline must be responsible for compensation.