Diethylene
n. 二亚乙基
🗣️ 情景例句
I don't want them to grow up
我不希望在他们成长期间
Theings past cannot be recalled.
过去的事情无可挽回。
Oh, cheer up!perhaps we didn't to do badly.
啊，别灰心！或许我们考得还不太糟。