3 sentences

1. 俄罗斯的贝加尔湖拥有地球未冻结淡水的20％。

   é​luó​sī de bèi​jiā'ěr​hú yōng​yǒu dì​qiú wèi dòng​jié dàn​shuǐ de20％.

   Lake Baikal in Russia holds 20% of Earth’s unfrozen fresh water.

   Source: CCMatrix

2. 在俄罗斯的贝加尔湖是世界上最深的湖泊。

   zài é​luó​sī de bèi​jiā'ěr​hú shì shì​jiè​shang zuì shēn de hú​pō.

   Lake Baikal in Russia is the deepest lake in the world.

   Source: Tatoeba

3. 俄罗斯贝加尔湖上每年都有几个月时间被厚厚的冰层覆盖。

   é​luó​sī bèi​jiā'ěr​hú shang měi​nián dōu yǒu jǐ​ge yuè shí​jiān bèi hòu​hòu de bīng​céng fù​gài.

   For several months each year, Russia’s Lake Baikal is covered by a thick layer of ice.

   Source: CCMatrix