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
January the thirtieth and you're invited.
1月30日，希望你能出席。
I come from Japan.
我来自日本。
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。