Vacuum tube rating
[电] 真空管规定值
🧩 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
🗣️ 情景例句
Her efforts were rewarded by good results.
她的努力获得了良好的结果。
Your niece is engaged,isn't she?
你的侄女订婚了，是吗？
Yes, please. But why do you call them mooncakes?
行啊，请给我一个吧。但你们为什么叫它月饼？