Cyanonitroacetamide
[机] 雷尿酸
🗣️ 情景例句
Do you think it's too long?
你会不会觉得太长了？
It's a deal.
一言为定。
As a reasonable guess, they might, on an average, be 100 light years away.
据合理推算，外星人离我们平均距离也有100光年之远