3 sentences

1. 他在晚宴上被安排在上位。

   tā zài wǎn​yàn shàng bèi ān​pái zài shàng​wèi.

   He was seated in the place of honor at the dinner.

   Source: Dong Chinese Dictionary

2. 她凭借出色的业绩成功上位。

   tā píng​jiè chū​sè de yè​jì chéng​gōng shàng​wèi.

   She successfully moved up the ladder thanks to her outstanding performance.

   Source: Dong Chinese Dictionary

3. 这种性状表现与上位效应密切相关。

   zhè zhǒng xìng​zhuàng biǎo​xiàn yǔ shàng​wèi xiào​yìng mì​qiè xiāng​guān.

   This phenotypic expression is closely related to epistasis.

   Source: Dong Chinese Dictionary