Polyindene
[化] 聚茚
🗣️ 情景例句
Don't the flowers smell wonderful?
花儿闻起来好香， 不是吗？
A man is known by the company he keeps.
察其友知其人。
Since that time, racing drivers have reached speeds over 600 miles an hour.
从那时以来，赛车选手已达到每小时600英里的速度。