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
Do you think they're open?
你们说现在还开门吗？
Eat to please thyself, but dress to please others.
吃是使自己受用，穿是使别人受用。
What I want to do is different from those of others.
我想做的与别人不同。