Oxirane formation
[化] 环氧化作用
🧩 词语组成解析
[化] 环氧乙烷
formation
[fɔ:'meiʃən]
n. 形成;构成，结构;形成物;编队，队形;
🗣️ 情景例句
Feel free to look around.
请随意到处看看。
Why was only he exempted from work?
为什么只有他不必工作呢？
There's no need for that. We'll have dinner another time.
不必为那件事惭愧。我们改个时间再共进晚餐吧。