8 sentences

1. 蚕在树叶上结了一个茧。

   cán zài shù​yè shàng jié le yī gè jiǎn.

   The silkworm spun a cocoon on the leaf.

   Source: Dong Chinese Dictionary

2. 蚕已经上山结茧了。

   cán yǐ​jīng shàng shān jié jiǎn le.

   The silkworms have gone onto the frames to spin cocoons.

   Source: Dong Chinese Dictionary

3. 蚕长得又大又白，快要上山了。

   cán zhǎng de yòu dà yòu bái, kuài yào shàng​shān le.

   The silkworms are large and white, and they are about to start spinning cocoons.

   Source: Dong Chinese Dictionary

4. 蚕喜欢吃桑叶。

   cán xǐ​huan chī sāng yè.

   Silkworms like to eat mulberry leaves.

   Source: Dong Chinese Dictionary

5. 蚕正在吃桑叶。

   cán zhèng​zài chī sāng​yè.

   Silkworms are eating mulberry leaves.

   Source: Dong Chinese Dictionary

6. 蚕正在吐丝。

   cán zhèng​zài tǔ sī.

   Silkworms are spinning silk.

   Source: Dong Chinese Dictionary

7. 蚕在蜕皮之前会停止进食，进入眠期。

   cán zài tuì​pí zhī​qián huì tíng​zhǐ jìn​shí, jìn​rù mián qī.

   Silkworms stop eating and enter a dormant stage before molting.

   Source: Dong Chinese Dictionary

8. 蚕的一生要经过几次变态才能变成蛾子。

   cán de yī​shēng yào jīng​guò jǐ cì biàn​tài cái néng biàn​chéng é​zi.

   A silkworm undergoes several metamorphoses before turning into a moth.

   Source: Dong Chinese Dictionary