Polybutene
n. [高分子] 聚丁烯；聚異丁烯（潤滑油）
?? 擴展釋義
【化】 聚丁烯
??? 情景例句
Well, come on, Dad.
好， 來吧， 爸爸。
Working without a plan is sailing without a compass.
工作沒有打算，猶如航海沒有羅盤。
In place of the great trees which had been growing there for centuries patches of green had begun to appear in the blackened soil.
一片片的綠草開始出現(xiàn)在這片燒焦的土地上，代替了多少世紀以來一直生長在那里的參天大樹。