Jacobsite
锰尖晶石
🗣️ 情景例句
If your pet turtle gets sick, take him to the vet.
如果你的宠物龟病了，带它去看兽医。
A merry heart goes all the way.
生性乐天，终身受用。
The doctor began to operate on the boy.
医生开始给那个男孩动手术。