5 sentences

1. 科学家还不知道为什么这些晶体形成。

   kē​xué​jiā hái bù​zhī​dào wèi​shén​me zhè​xiē jīng​tǐ xíng​chéng.

   Scientists do not yet know why these crystals form.

   Source: CCMatrix

2. 当水蒸发之后，微小的糖晶体就会显现出来。

   dāng shuǐ zhēng​fā zhī​hòu, wēi​xiǎo de táng jīng​tǐ jiù huì xiǎn​xiàn chū​lai.

   Once the water evaporates, tiny sugar crystals appear.

   Source: CCMatrix

3. 例如，医生并不知道耳中的晶体一开始为什么会脱落。

   lì​rú, yī​shēng bìng bù​zhī​dào ěr zhōng de jīng​tǐ yī kāi​shǐ wèi​shén​me huì tuō​luò.

   For example, doctors do not know why the ear crystals get loose in the first place.

   Source: CCMatrix

4. 通常，当一个湖泊完全干涸时，会留下一堆堆的纯盐晶体。

   tōng​cháng, dāng yī​ge hú​pō wán​quán gān​hé shí, huì liú xià yī​duī duī de chún yán jīng​tǐ.

   Typically, when a lake dries up entirely, it leaves piles of pure salt crystals behind.

   Source: CCMatrix

5. 放下那个晶体管收音机。

   fàng xia nà​ge jīng​tǐ​guǎn shōu​yīn​jī.

   Put down that transistor radio.

   Source: OpenSubtitles