Selective etching
[計] 選擇蝕刻
?? 詞語組成解析
selective
[si'lektiv]
adj. 精心選擇的;選擇的，不普遍的;淘汰的;
etching
[['et?i?]]
n. 蝕刻版畫, 蝕刻畫, 蝕刻術\\n[化] 蝕刻; 浸蝕
??? 情景例句
Thanks, Ellen.
謝謝，Ellen。
I think a joint venture would be beneficial to us both.
我認為合資經營對雙方都是有利的。
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
現在是8點鐘。孩子們每天都乘小汽車去上學，而今天，他們正步行上學。