Pentine
[化] 戊炔
🗣️ 情景例句
Where are we going to be?
我们会在哪儿？
Let me explain my actions.
请听我解释。
as Walter Sullivan has put it in his excellent book, We Are not Alone.
正如沃尔特·沙利文在其杰作《我们并不孤独》中阐述的。