4 sentences

1. 博物馆里收藏了大量的植物标本。

   bó​wù​guǎn lǐ shōu​cáng le dà​liàng de zhí​wù biāo​běn.

   The museum houses a large collection of plant specimens.

   Source: Dong Chinese Dictionary

2. 他手里收藏了不少珍稀的蝴蝶标本。

   tā shǒu​lǐ shōu​cáng le bù​shǎo zhēn​xī de hú​dié biāo​běn.

   He has quite a few rare butterfly specimens in his collection.

   Source: Dong Chinese Dictionary

3. 医生要求患者留取粪便标本进行化验。

   yī​shēng yāo​qiú huàn​zhě liú​qǔ fèn​biàn biāo​běn jìn​xíng huà​yàn.

   The doctor asked the patient to provide a stool sample for testing.

   Source: Dong Chinese Dictionary

4. 解决社会问题需要标本兼治。

   jiě​jué shè​huì wèn​tí xū​yào biāo​běn jiān​zhì.

   Solving social problems requires addressing both the symptoms and the root causes.

   Source: Dong Chinese Dictionary