triacetate /trai'æsi,teit/ 📖 中文释义 a. 分子中含有三个醋酸基的,三醋酸基的 📘 English Definition(英文释义) n cellulose acetate that is relatively slow to burn; used instead of celluloid for motion-picture film ← triacetamide T 字母词表 triacetin →