Octane number
[化] 辛烷值
?? 牛津釋義
octane number
(also `octane rating), measure of the efficiency and quality of a petrol in comparison with those of a fuel taken as standard (the highest number indicating the highest quality) 辛烷值.
?? 詞語(yǔ)組成解析
n. 辛烷\\n[化] 辛烷; 正辛烷; 辛烷; 辛級(jí)烷
number
['n?mb?]
n. 數(shù)字;數(shù)量;號(hào)碼;編號(hào);
v. 標(biāo)號(hào);總計(jì);把…算作;
numer, number 表示”數(shù)字”;”計(jì)算”,”估算”
??? 情景例句
I wonder if you would take a look at the old library
我不知道你是否可以看一看舊圖書(shū)館
He insisted that he was innocent.
他堅(jiān)稱自己是無(wú)辜的。
Excuse me, are you American, too?
對(duì)不起，問(wèn)一下，你是美國(guó)人嗎？