etch
verb [ T ] uk/etʃ/ us/etʃ/
（尤指在金属或玻璃上）蚀刻，凿出
to cut a pattern, picture, etc. into a smooth surface, especially on metal or glass, using acid or a sharp instrument
He etched his name on a piece of glass. 他把自己的名字蚀刻在一块玻璃上。
Idioms
be etched somewhereidiom literary (also be etched with something) （感觉、情绪、形状）刻在，印在，显出
If a feeling, emotion, or shape is etched somewhere, it can be seen there very clearly.
His face was etched with pain. 他的脸上流露出痛苦的神情。
Confusion and sadness were etched on their faces. 他们一脸的迷茫和悲哀。
The foothills of the Himalayas were sharply etched against the pale blue sky. 在淡蓝色天空的映衬下，喜马拉雅山的山麓小丘轮廓清晰鲜明。
be etched on/in someone's memoryidiom 永志不忘;铭记
to be something that you will continue to remember
The scene will be etched on my memory forever. 这一场景将永远铭刻在我的记忆中。