2 sentences for 着 (zhuó — touch)

1. 飞机降落时，起落架轻轻着地。

   fēi​jī jiàng​luò shí, qǐ​luò​jià qīng​qīng zhuó de.

   The landing gear touched down gently as the plane landed.

   Source: Dong Chinese Dictionary

2. 血管内皮细胞在调节血流方面起着关键作用。

   xuè​guǎn nèi​pí xì​bāo zài tiáo​jié xuè​liú fāng​miàn qǐ zhuó guān​jiàn zuò​yòng.

   Vascular endothelial cells play a key role in regulating blood flow.

   Source: Dong Chinese Dictionary