開環(huán)聚合ring: vt. (rang rung ) 1.鳴,敲(鐘),搖( ...opening: n. 1. 開,開放;開始,著手;開端,開頭;開場,開幕 ...living ring opening polymerization: 活性開環(huán)聚合ring opening polymerization: 開環(huán)聚合opening of ring: 環(huán)的裂開; 環(huán)的裂口下載手機詞典可隨時隨地查詞查翻譯