Gasoline octane rating
[化] 汽油辛烷值
🧩 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
Since I retired,
自从我退休以后，
What's the best price you're prepared to offer for your product?
你们的产品最优惠的价格是多少呢？
How I envy you.
我真是羡慕你。