蜗牛：背着小房子的慢行者
本期认识陆生蜗牛：从螺旋外壳、两对触角、腹足爬行和黏液，到它们在潮湿花园里的取食、藏身与生态角色，带你重新看见雨后角落里的慢行者。
主要事实来源
- Snail - Encyclopaedia Britannica
- Garden Snail - The Australian Museum
- Snail fact sheet - Field of Mars Environmental Education Centre
- Snails and slugs - Natural History Museum
视频素材来源
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