Moler
硅藻泥岩
🗣️ 情景例句
I'm glad to make you acquaintance.
我很高兴认识你。
In Britain, there are open universities.
在英国，有成人大学。
Next Von Frisch thought that bees needed to know more than just the distance to a faraway place.
接着，冯·弗里施认为蜜蜂不仅需要知道到远的喂食点的距离。