5 sentences

1. 今天的气温是零下十度。

   jīn​tiān de qì​wēn shì líng​xià shí dù.

   The temperature today is ten degrees below zero.

   Source: Dong Chinese Dictionary

2. 地面温度是摄氏零下7度。

   dì​miàn wēn​dù shì Shè​shì líng​xià7 dù.

   Minus seven degrees Celsius on the ground.

   Source: OpenSubtitles

3. 这种寒带植物能耐受零下三十度的严寒。

   zhè zhǒng hán​dài zhí​wù néng nài​shòu líng​xià sān​shí dù de yán​hán.

   This arctic plant can withstand severe cold of minus thirty degrees.

   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. 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