8 sentences

1. 这些基的化学性质各不相同。

   zhè​xiē jī de huà​xué xìng​zhì gè bù xiāng​tóng.

   The chemical properties of these functional groups are all different.

   Source: Dong Chinese Dictionary

2. 羟基是醇类分子的特征官能团。

   qiǎng jī shì chún lèi fēn​zǐ de tè​zhēng guān​néng tuán.

   The hydroxyl group is the characteristic functional group of alcohol molecules.

   Source: Dong Chinese Dictionary

3. 酰基是这类有机化合物的核心结构。

   xiān jī shì zhè lèi yǒu​jī huà​hé​wù de hé​xīn jié​gòu.

   The acyl group is the core structure of this class of organic compounds.

   Source: Dong Chinese Dictionary

4. 丙基是含有三个碳原子的有机官能团。

   bǐng jī shì hán​yǒu sān gè tàn yuán​zǐ de yǒu​jī guān​néng tuán.

   Propyl is an organic functional group containing three carbon atoms.

   Source: Dong Chinese Dictionary

5. 我之前不知道他是巴基斯坦人。

   wǒ zhī​qián bù zhī​dào tā shì Bā jī sī tǎn rén.

   I didn't know he was a Pakistani.

   Source: OpenSubtitles

6. 这根立柱的基是用花岗岩砌成的。

   zhè gēn lì​zhù de jī shì yòng huā​gāng​yán qì chéng de.

   The base of this column is made of granite.

   Source: Dong Chinese Dictionary

7. 这项研究为后来的科学发现奠定了坚实的基础。

   zhè xiàng yán​jiū wèi hòu​lái de kē​xué fā​xiàn diàn​dìng le jiān​shí de jī chǔ.

   This research laid a solid foundation for subsequent scientific discoveries.

   Source: Dong Chinese Dictionary

8. 他向朋友们承认自己是个基。

   tā xiàng péng​you men chéng​rèn zì​jǐ shì gè jī.

   He admitted to his friends that he is gay.

   Source: Dong Chinese Dictionary