4 sentences

1. 想象一下被厚厚的墙壁包围着的机器。

   xiǎng​xiàng yī​xià bèi hòu​hòu de qiáng​bì bāo​wéi zhe de jī​qì.

   Imagine a machine surrounded by thick walls.

   Source: CCMatrix

2. 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

3. 将绿茶存放在厚厚的不透明塑料袋中，并在密封之前挤出尽可能多的空气。

   jiāng lǜ​chá cún​fàng zài hòu​hòu de bù​tòu​míng sù​liào​dài zhōng, bìng zài mì​fēng zhī​qián jǐ chū jǐn​kě​néng duō de kōng​qì.

   Store green tea in thick opaque plastic bags and squeeze out as much air as possible before sealing.

   Source: CCMatrix

4. 在厚厚的塑料眼镜下面，他的眼睛肿起来了，充血的，被深邃的黑圆圈包围着。

   zài hòu​hòu de sù​liào yǎn​jìng xià​mian, tā de yǎn​jing zhǒng qǐ lái le, chōng xuè de, bèi shēn​suì de hēi yuán​quān bāo​wéi zhe.

   Beneath thick plastic glasses, his eyes were swollen, bloodshot, and surrounded by deep dark circles.

   Source: CCMatrix