2 sentences

1. 蝙蝠利用超声来定位猎物。

   biān​fú lì​yòng chāo​shēng lái dìng​wèi liè​wù.

   Bats use ultrasound to locate their prey.

   Source: Dong Chinese Dictionary

2. 医生建议她做一个腹部超声检查。

   yī​shēng jiàn​yì tā zuò yī gè fù​bù chāo​shēng jiǎn​chá.

   The doctor suggested she have an abdominal ultrasound scan.

   Source: Dong Chinese Dictionary