Activity of (vulcanization) accelerator
[化] 硫化促进剂活性
🧩 词语组成解析
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];
accelerator
[æk'seləreitə]
n. 加速器;催速剂;
🗣️ 情景例句
but, unfortunately,
但是， 很不幸，
You had better leave right now.
现在你最好立刻回去。
What's that fly doing in my soup?
我汤里的这只苍蝇在干什么呢？