Hexacene
[化] 并六苯
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
He alone is poor who does not possess knowledge.
没有知识，才是贫穷。
We also played games on the sand.
我们还在沙滩上做游戏呢。