sea pen
sea-pen的词性:
n.(名词)
1. Any of various marine anthozoans of the families Stylatulidae and Funiculinidae, resembling and related to the sea feathers.
海笔:任一种属于海鳃和海羽科的海栖珊瑚虫,类似海鳃且与之有关连
sea-pen的词源:
2. [From its resemblance to a quill pen]
[由类似的羽毛笔而得名]