1 sentence

1. 当花头成熟时，它变成了一个包含许多种子和细毛的白色球。

   dāng huā​tóu chéng​shú shí, tā biàn chéng le yī​ge bāo​hán xǔ​duō zhǒng​zi hé xì​máo de bái​sè qiú.

   When the flower head matures, it becomes a white ball that contains many seeds and fine hairs.

   Source: CCMatrix