Caoutch(ouc)ene
[化] 生胶干馏渣(生胶干馏所得的高沸点产物)
🗣️ 情景例句
Let us try it!
让我们试试吧！
A cock is bold on his dunghill.
站在粪堆上，公鸡也称王。
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球