Pentine
[化] 戊炔
🗣️ 情景例句
The bridge is about three hundred and eighty-five feet long.
桥长约三百八十五英尺。
My cousin is a member of a drama club, He seems acting.
我的表兄是一个戏剧俱乐部成员，他似乎很喜欢表演。
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。