harden
vt.使硬化;使经得起考验;使无情;使轮廓鲜明
vi.变硬或更硬;变稳定;变习惯
网络解释.哈登;使变硬;加硬;使硬
词形变化:
过去式:hardened 过去式:hardened 过去式:hardening 过去式:hardens
派生词: hardener
hardening of the arteries 1 . 同 arteriosclerosis harden something off 2 . 使(植物)提高抗寒能力
thicken cake petrify steel strengthen acclimate cohere