acid-free ink
英 [ˈæsɪd friː ɪŋk]
美 [ˈæsɪd friː ɪŋk]
网络 无酸墨水
双语例句
- The book that is made from acid-free paper, printed with non-toxic ink and hand-stitched and bound, is completely recyclable.
该书由无酸纸经生态墨水印制而成，手工缝制装订，百分之百可回收。
美 [ˈæsɪd friː ɪŋk]
网络 无酸墨水