Acitvity rating of catalyst
[机] 催化剂的活性率
🧩 词语组成解析
rating
['retɪŋ]
n. 等级;评估，评价;极限;收听率，收视率;
v. 估价( rate的现在分词);定级;
rat =calculate 计算 + ing [名词后缀],构成抽象名词 → n. 等级,评定结果，收视(听)率
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];
🗣️ 情景例句
My mother and father
我父母
Paul will not continue to arbitrate their arguments.
保罗不会继续替他们的吵架做和事佬吧。
The radio says the snow will stop later in the day.
无线电广播说 今天晚些时候雪会停的。