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
What are you getting at?
你想说明什么？
She began playing the violin when she was nine.
她从九岁就开始练习小提琴。
She must be at least thirty-five years old.
她至少也有35岁了。