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
No, thank you.
不， 谢谢 。
Did you phone him yourself?
你自己亲自打电话给他吗？
Aeroplanes have the reputation of being dangerous and even hardened travellers are intimidated by them.
飞机以危险而著称，连老资格的旅行者也怕飞机。