Normal heptane
[化] 庚烷; 正庚烷
🧩 词语组成解析
n. [化]庚烷
🗣️ 情景例句
Never go swimming on a full stomach.
吃饱饭后不要游泳。
I'm Edwin. I'll show you to your hotel.
我是爱德温，我带你去旅馆。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。