Normal heptane
[化] 庚烷; 正庚烷
🧩 词语组成解析
n. [化]庚烷
🗣️ 情景例句
He patted me on the back for the deal made yesterday.
他对我昨天所做的交易表示满意。
Can I be sure of a profit if I invest?
我要是投资，肯定能获利吗？
Nor is it only the ignorant and ill-educated person who has such faith in the bottle of medicine.
并不只是那些无知和没受过良好教育的人才迷信药瓶子。