浸入

1. 渗碳处理一种冶金镀膜工序，在此工序中把钢或铁浸入另一种金属如锌、铬或铝的粉剂里，并加热至这一金属的熔点温度以下
   A metallurgical coating process in which iron or steel is immersed in a powder of another metal, such as zinc, chromium, or aluminum, and heated to a temperature below the melting point of either.
2. 他将刀子浸入沸水中。
   He immersed the knife in boiling water.
3. 他把钢笔浸入墨水中。
   He dipped his pen into the ink.

入的英语翻译：