A wheel spins on an axle.轮子在轴上旋转。The Earth spins on its own axis.地球绕着地轴自转。She still spins the yarn and knits sweaters for her family.她仍然纺纱为家人织毛线衫。As the pole rotates the balls spin out levitating higher the faster the sy...
看着这只动物如此认真地梳理自己的毛，我们被逗乐了。We were amused to see how assiduously the animal groomed its fur.她总是很认真地听，就好像这能帮助她弄明白一样。She always listened earnestly as if this might help her to understand.她认真地看着他说：“你不介意吗？”She looked at him ea...