重点讲解：
1. other than （用于否定陈述后）除了…以外；
I don't know any French people other than you.
除了你，我不认识别的法国人H^683(,tK)|%5.JeBjsw。
2. be descended from 是…的后代的；为…的后裔的；
She told us she was descended from some Scottish Lord.
她告诉我们她是某苏格兰勋爵的后裔-U&BdMslv%Uvh!ii。
3. pass down 传递；传下去；
The abused mice grew up to be poor mothers, and appeared to pass down these changes to their offspring.
这些幼鼠成年后成为了糟糕的母亲，并把这种表观遗传变化传给了后代MMujXq|JI(P|o05。
4. knock out 摧毁；
The enemy charged up the mountain, attempting to knock out our forces.
敌人向山上冲锋，企图把我们的兵力摧毁掉*4sfQknUgh%VVbSL(。