hardening

/ˈhɑːr.dən.ɪŋ/

名词

硬化
Excess calcium can accelerate hardening of the arteries.
过量的钙会加速动脉硬化。
强硬；加强
There has been a hardening of government policy since the invasion.
自入侵以来，政府政策日趋强硬。