Thulite
锰黝帘石
🗣️ 情景例句
Would you like to see them?
要不要看一看？
Do you have some post cards?
你有明信片吗？
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit,
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，