Olefin
n. 石蜡, 烯烃\\n[化] 烯烃
🗣️ 情景例句
Would you like to be friends?
我们做朋友好吗？
If you sell the cow, you sell her milk too.
蚀了本也输了利。
The young woman stood up and stepped forward.
年轻的女人站起来走向前。