Butyaldenhyde
[机] 丁醛
🗣️ 情景例句
They hardly ever see each other.
他们几乎彼此不碰头。
The moon is not seen where the sun shines.
小巫见大巫。
When he travelled across India, he travelled hard-seat, unreserved, together with peasants and other ordinary people.
当他穿越印度旅行时，他与农民及其他普通人一起乘坐"没有被预定的硬座。