Diethylene
n. 二亚乙基
🗣️ 情景例句
What ever will be, will be.
该怎样，就会怎样。
Did you hear something?
你听到了什么？
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。