Selective etching
[计] 选择蚀刻
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
etching
[['etʃiŋ]]
n. 蚀刻版画, 蚀刻画, 蚀刻术\\n[化] 蚀刻; 浸蚀
🗣️ 情景例句
Have fun and be careful.
好好玩，但小心点哦。
Drop me a line.
写封信给我
OK. Let me help you. There! OK?
我来帮你，瞧，行了吧？