4 sentences

1. 这种清洁剂能轻松去除顽固污渍。

   zhè zhǒng qīng​jié​jì néng qīng​sōng qù​chú wán​gù wū​zì.

   This cleaner can easily remove stubborn stains.

   Source: Dong Chinese Dictionary

2. 新装修的房子需要多通风以去除甲醛。

   xīn zhuāng​xiū de fáng​zi xū​yào duō tōng​fēng yǐ qù​chú jiǎ​quán.

   Newly renovated houses need plenty of ventilation to remove formaldehyde.

   Source: Dong Chinese Dictionary

3. 这种洗涤剂可以有效去除衣服上的各种污渍。

   zhè zhǒng xǐ​dí​jì kě​yǐ yǒu​xiào qù​chú yī​fu shàng de gè zhǒng wū​zì.

   This detergent effectively removes various stains from clothing.

   Source: Dong Chinese Dictionary

4. 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