Pentyne
戊炔
🗣️ 情景例句
Well, here we are.
好了 ，终于到啦。
You were wise to keep away from him.
你避开他是明智之举。
Their humbler followers, such as partridges, have a like power of strong propulsion, but soon tire.
次于野鸭和鸽子的鸟，如鹧鸪，有相似的巨大推动力，但很快会疲劳。