Her son Peter adapted effortlessly to his new surroundings.她儿子彼得很快就适应了新环境。Schumacher adapted effortlessly to his new surroundings.舒马赫非常轻松地适应了新环境。The boat cut effortlessly through the water.船轻快地破水前行....
孢子囊群靠近中脉著生;囊群盖球形, 膜质.Sori borne near the costule, indusium spherical, membranous.羽片远轴面的一部分,表示囊群盖已脱落的 孢子囊 群及小鳞片.Part of abaxial face of pinna , showing small scale and sori ( fallen indusia ) .孢子囊群圆形,沿中脉两侧各排成2-3行, 无囊群盖.So...