Normal heptane
[化] 庚烷; 正庚烷
🧩 词语组成解析
n. [化]庚烷
🗣️ 情景例句
Well, at one o'clock
嗯， 一点钟
How long will it take for a package to get to California?
你把包裹寄到加州要多长时间?
Men accustomed to struggling for survival against the elements and Indians were bewildered by politicians, bankers and businessmen, and unhorsed by fences, laws and alien taboos.
习惯与大自然和印第安人作斗争以求生存的拓荒者被政客、银行家和商人搞得晕头转向，最后被圈地、尖律我外来的清规戒律所击败。