Octane rating
[化] 辛烷值
🧩 词语组成解析
n. 辛烷\\n[化] 辛烷; 正辛烷; 辛烷; 辛级烷
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
I know it.
我知道。
Habit is a second nature.
习惯成自然。
Haven't you heard of him? He's a very famous singer. He's singing at the New Theatre on Saturday.
你没听说过他吗？他是个著名歌手。他星期六将在新剧院演出。