It may be made up of one cell, or one or many layers of cells.It produces gametes that are usually motile.Compare archegonium.是什么意思_It may be made up of one cell, or one or many layers of cells.It produces gametes that are usually motile.Compare archegonium.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句