2、symmetry n.对称，整齐
I‘m comforted by your shiny hair and facial symmetry.

3、abrasion n.表面磨损
His right index finger- has a slight abrasion.

4、impervious adj.不受影响的
Zomnies, knowing there is no future for them anyway, are impervious to this threat.

5、dissemble v.掩饰，遮盖
We still possess a wider expectation of probity in public life, even if scarcely anyone imagines there's no dissembling in politics.