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
I don't have time to take any elective classes.
我没有时间去上任何选修课。
The path to glory is always rugged.
通向光荣的道路常常是坎坷不平的。
I had just lost $50 and I felt very upset.
我刚刚丢了50英镑，感到非常烦恼。