Psilophyton
裸蕨
🗣️ 情景例句
Keep cool.
保持冷静。
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
They trooped behind the first dancer, copying its movements.
它们成群结队跟在第一只跳舞的蜜蜂后面，模仿着它的动作。