Pithers
(pither 的第三人称 -s形式) n. (植物的)木髓, 树心；髓；骨髓；(羽毛的)毛髓\\nvt. 从(植物茎)中取髓：；(用切断动物脊髓的方法)杀死；使瘫焕；抽出脊髓：
🗣️ 情景例句
But don't you think it'd be a good subject?
你不觉得这是个好题材吗？
Where are my glasses?
我的眼镜在哪儿？
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，