Diethylene
n. 二亚乙基
🗣️ 情景例句
Do you know what I'm talking about?
知道我讲的是什么吗？
When you go to buy, use your eyes not your ears.
你去购买东西时，要用眼睛莫用耳。
The English and Maths papers weren't easy enough for me.
英语和数学试题对我来说不很容易。