2 sentences

1. 我们都知道温室效应。

   wǒ​men dōu zhī​dao wēn​shì​xiào​yìng.

   We all know about the greenhouse effect.

   Source: CCMatrix

2. 这种温室效应使地球保持温暖，足以维持生命。

   zhè​zhǒng wēn​shì​xiào​yìng shǐ dì​qiú bǎo​chí wēn​nuǎn, zú​yǐ wéi​chí shēng​mìng.

   This greenhouse effect keeps the Earth warm enough to sustain life.

   Source: CCMatrix