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
Oh, no sir. We already gave you a discount on each item.
哦，不行，先生。每一件东西我们都给你打过折扣了。
The raceis got by running.
赛跑要靠奔跑来赢得。
Have they ever been there before?
他们以前去过那儿吗？