6 sentences

1. 水位降到了警戒线以下。

   shuǐ​wèi jiàng​dào le jǐng​jiè​xiàn yǐ​xià.

   The water level has dropped below the warning line.

   Source: Dong Chinese Dictionary

2. 今天的气温降到了零度以下。

   jīn​tiān de qì​wēn jiàng​dào le líng dù yǐ​xià.

   Today's temperature dropped below zero.

   Source: Dong Chinese Dictionary

3. 按一下墙上的红色按钮，电梯就会降到一楼。

   àn yī​xià qiáng shàng de hóng​sè àn​niǔ, diàn​tī jiù huì jiàng​dào yī lóu.

   Press the red button on the wall, and the elevator will descend to the first floor.

   Source: Dong Chinese Dictionary

4. 冬天气温降到零下，户外的自来水管都被冻住了。

   dōng​tiān qì​wēn jiàng​dào líng​xià, hù​wài de zì​lái​shuǐ guǎn dōu bèi dòng zhù le.

   In winter, when temperatures drop below freezing, the outdoor water pipes all freeze up.

   Source: Dong Chinese Dictionary

5. 由于持续干旱，水库的水量已经降到了警戒线以下。

   yóu​yú chí​xù gān​hàn, shuǐ​kù de shuǐ​liàng yǐ​jīng jiàng​dào le jǐng​jiè​xiàn yǐ​xià.

   Due to the ongoing drought, the water level in the reservoir has dropped below the warning line.

   Source: Dong Chinese Dictionary

6. 冬天的布法罗经常下大雪，气温甚至会降到零下三十度。

   dōng​tiān de Bù​fǎ​luó jīng​cháng xià dà​xuě, qì​wēn shèn​zhì huì jiàng​dào líng​xià sān​shí dù.

   Buffalo often gets heavy snow in the winter, and the temperature can even drop to minus 30 degrees.

   Source: Dong Chinese Dictionary