| 单词 | Pennatula |
| 例句 | Forms essentially similar, but the solid supporting framework of which is of a softer nature, are such as Alcyonium and Pennatula. The Contemporary Review, Volume 36, September 1879 There is one British species, Pennatula phosphorea, which is found in tolerably deep water, and is from two to four inches in length. Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky |
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