Psilopsida
松叶蕨纲
🗣️ 情景例句
He spoke in a German accent.
他说话带有德国腔调。
The walls are three inches thick.
这墙3英寸厚。
I think there is a possible problem if you tell the manager about the thief.
我想，如果你向经理告发这个窃贼，可能存在这样一个问题。