Psilopsida
松叶蕨纲
🗣️ 情景例句
I don't know what I would do without you.
我真不知道没有你们我怎么办。
The United Nations conference is projected for next year.
联合国大会预定明年召开。
He lands on top of each house and climbs down the chimney into the fireplace.
他降落在每一家的房顶，顺着烟囱爬进壁炉。