1. 滲碳處理一種冶金鍍膜工序，在此工序中把鋼或鐵浸入另一種金屬如鋅、鉻或鋁的粉劑里，并加熱至這一金屬的熔點溫度以下
   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. 他將刀子浸入沸水中。
   He immersed the knife in boiling water.
3. 他把鋼筆浸入墨水中。
   He dipped his pen into the ink.

入的英語翻譯：