Activating of butane
[机] 丁烷活性化, 丁烷的脱氢作用
🧩 词语组成解析
[计] 启动
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
butane
[['bju:tein]]
n. 丁烷\\n[医] 丁烷
🗣️ 情景例句
The advanced exercise class is not so easy, huh?
高级健身班不是那么容易吧， 对不对？
He wants to change his appointment from Monday to Wednesday.
他想要把他的约会从星期一改到星期三。
not as description or reminiscence.
不要靠描述和印象去感觉。