casehardened
/'keishɑ:dnd/
📖 中文释义
- a. 经热处理变硬的, 无感觉的, 麻木不仁的
📘 English Definition（英文释义）
- a. Having the surface hardened, as iron tools.
- a. Hardened against, or insusceptible to, good
- influences; rendered callous by persistence in wrongdoing or resistance
- of good influences; -- said of persons.