penetration
剑桥词典
penetration noun [U] (MOVEMENT INTO)
a movement into or through something or someone
进入；穿透
Sunscreens can help reduce the penetration of ultraviolet rays into the skin . 防晒霜可以减少紫外线穿透皮肤。
The company is trying to increase its penetration of the market . 该公司正在努力扩大其市场份额。
the act of a man putting his penis into his partner's body during sex
（性交时阴茎的）插入
penetration noun [U] (UNDERSTANDING)
formalsomeone's ability to understand quickly and well
洞察力 返回 penetration