Ethylene alkylation
[建] 乙烯烷化作用
🧩 词语组成解析
n. 乙烯\\n[化] 乙烯; 1,2-亚乙基
n. 烷化作用, 烷化\\n[化] 烷基化; 烷基取代
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
Scratch a Russsian, and you('ll) find a Tartar.
文明不能改变本性。
Two months later, some more money was sent to Sam with another note: 'Only 25 per cent a thief now!'
“这回只是25%的小偷了！”