Cis-1,4-polyisoprene
[化] 順(式)-1,4-聚異戊二烯
?? 詞語組成解析
[計] 中央信息系統, 字符指令系統, 計算機信息服務, 用戶信息系統
n. [化]聚異戊二烯
??? 情景例句
mashed potatoes, and a tossed green salad to begin with.
馬鈴薯泥， 還有蔬菜沙拉當頭道菜。
We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.
我們很高興您在解決有關合同的問題上如此具有建設性。
I haven't seen him for five years.
我五年沒有見到他了。