4 sentences

1. 护士正在给病人挂盐水。

   hù​shi zhèng​zài gěi bìng​rén guà yán​shuǐ.

   The nurse is putting the patient on a saline drip.

   Source: Dong Chinese Dictionary

2. 这些菜需要用盐水渍一下。

   zhè​xiē cài xū​yào yòng yán​shuǐ zì yī​xià.

   These vegetables need to be soaked in brine.

   Source: Dong Chinese Dictionary

3. 腌制咸鸭蛋需要使用浓盐水。

   yān​zhì xián​yā​dàn xū​yào shǐ​yòng nóng yán​shuǐ.

   Strong brine is needed to marinate salted duck eggs.

   Source: Dong Chinese Dictionary

4. 护士正在给脱水的病人挂盐水。

   hù​shi zhèng​zài gěi tuō​shuǐ de bìng​rén guà yán​shuǐ.

   The nurse is giving saline to the dehydrated patient.

   Source: Dong Chinese Dictionary