4 sentences

1. 她用吸管喝杯子里的果汁。

   tā yòng xī​guǎn hē bēi​zi lǐ de guǒ​zhī.

   She used a straw to drink the juice from the glass.

   Source: Dong Chinese Dictionary

2. 为了环保，很多餐厅已经改用纸质吸管。

   wèi​le huán​bǎo, hěn​duō cān​tīng yǐ​jīng gǎi​yòng zhǐ​zhì xī​guǎn.

   Many restaurants have switched to paper straws for environmental reasons.

   Source: Dong Chinese Dictionary

3. 实验员用吸管精确地吸取了少量的试剂。

   shí​yàn yuán yòng xī​guǎn jīng​què de xī​qǔ le shǎo​liàng de shì​jì.

   The lab technician used a pipette to precisely draw a small amount of reagent.

   Source: Dong Chinese Dictionary

4. 他含住吸管，低头观察水底五颜六色的珊瑚。

   tā hán​zhù xī​guǎn, dī​tóu guān​chá shuǐ​dǐ wǔ​yán​liù​sè de shān​hú.

   He held the straw in his mouth and looked down to observe the colorful coral at the bottom of the water.

   Source: Dong Chinese Dictionary