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
Why advanced?
为什么是高级的？
He can only speculate as to which horse will win the race.
他只能推测那一匹在赛马中会获胜。
It was usually very quiet, and he could see the park from his window.
那儿通常很安静，从他的窗户他可以看见公园。