具有剑形复叶的热带蕨类，包括从波士顿蕨演变来的分支。

Any of several tropical ferns having more or less sword-shaped fronds including one from which the boston fern developed.

youdao

具有剑形复叶的热带蕨类，包括从波士顿蕨演变来的分支。

Any of several tropical ferns having more or less sword-shaped fronds including one from which the boston fern developed.

youdao