harden
英 ['hɑ?d(?)n]
美['hɑrdn]
- vi. 变硬，变坚固；变坚强；变冷酷
- vt. 使…变硬；使…坚强；使…冷酷；使…麻木不仁
- n. (Harden)人名；(英、德、罗、瑞典)哈登；(法)阿尔当
词组搭配
hardening of the arteries
another term for arteriosclerosis
同 arteriosclerosis
harden something off
inure a plant to cold by gradually increasing its exposure to it
使（植物）提高抗寒能力