4 sentences

1. 没有太空微生物。

   méi​yǒu tài​kōng wēi​shēng​wù.

   There are no space microbes.

   Source: OpenSubtitles

2. 显微镜下可以看到许多微生物。

   xiǎn​wēi​jìng xià kě​yǐ kàn​dào xǔ​duō wēi​shēng​wù.

   Many microorganisms can be seen under a microscope.

   Source: Dong Chinese Dictionary

3. 这种新型塑料在土壤中可以被微生物降解。

   zhè zhǒng xīn​xíng sù​liào zài tǔ​rǎng zhōng kě​yǐ bèi wēi​shēng​wù jiàng​jiě.

   This new type of plastic can be biodegraded by microorganisms in the soil.

   Source: Dong Chinese Dictionary

4. 并非所有的致病性微生物都会对人类产生危害。

   bìng fēi suǒ​yǒu de zhì​bìng​xìng wēi​shēng​wù dōu huì duì rén​lèi chǎn​shēng wēi​hài.

   Not all pathogenic microorganisms are harmful to humans.

   Source: Dong Chinese Dictionary