Heptane
n. [化]庚烷
🗣️ 情景例句
I'm happy to meet you.
很高兴见到你。
Each item is to be wrapped separately in gerase-paper.
每件货物应单独用油纸包好。
Every solid object will reflect a sound, varying according to the size and nature of the object.
任何固体者反射声音，反射的声音因物体的大小和性质的不同而不同。