Desmodontium
牙週纤维
🗣️ 情景例句
You have nothing to worry about.
你没有什么好担心的。
The walls are three inches thick.
这墙3英寸厚。
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。