2 sentences

1. 他的白衬衫上沾了几处点点油渍，看起来非常显眼。

   tā de bái chèn​shān shàng zhān le jǐ chù diǎn​diǎn yóu​zì, kàn qi​lai fēi​cháng xiǎn​yǎn.

   There were several oil stains on his white shirt, which made them very noticeable.

   Source: Dong Chinese Dictionary

2. 这种强力清洗剂可以去除工业零件上难以清理的油渍残留物。

   zhè zhǒng qiáng​lì qīng​xǐ jì kě​yǐ qù​chú gōng​yè líng​jiàn shàng nán​yǐ qīng​lǐ de yóu​zì cán​liú​wù.

   This powerful cleaning agent can remove stubborn grease residues from industrial parts.

   Source: Dong Chinese Dictionary