2 sentences

1. 氧气面罩已经掉落。

   yǎng​qì miàn​zhào yǐ​jing diào​luò.

   The oxygen masks have dropped.

   Source: CCMatrix

2. 小心不要在地毯上洒出或掉落东西。

   xiǎo​xīn bù​yào zài dì​tǎn shang sǎ chū huò diào​luò dōng​xi.

   Be careful of spilling or dropping things on the carpet.

   Source: AI Challenger 2017