by的用法小结(5篇可选)[修改版]
第一篇:by的用法小结by的用法小结 1.用于被动语态的句子中,表示动作的执行者,意为“被;由”。He was praised by the teacher.他受到了老师的表扬。The book wa
by的用法小结(5篇可选)[修改版]