Pentamethylene
n. [化]環戊烷
??? 情景例句
I can communicate with foreigners easily.
我能輕松地和外國人溝通。
The most important festival in China is the Spring Festival.
中國國，最重要的節日是春節。
The speaker was Albert Einstein.
這位演講者就是阿爾伯特·愛因斯坦。