吃透英语课本，提升在校竞争力
n. 继母；后母；后妈
复数：stepmothers
Did you hear our stepmother planning to kill us?
你听到我们继母计划杀掉我们的话吗？
She looked at me as if I were the wicked stepmother.
她看我的眼神，我简直就是一个恶毒的后母。
The stepmother was kind to her.
继母对她很善良。
