Valylene
缬烯炔, 2-甲基-1-丁烯-3-炔, 异戊稀炔
🗣️ 情景例句
Why not give the people of Riverdale a clear choice?
为什么不让Riverdale的人民有一个明确的选择呢？
Can I fix an overseas call to London by person-to-person call?
我要打到伦敦的叫人电话好吗？
The holes are only borings, less than a foot in diameter.
这些洞只不过是一些钻孔，直径不到1英尺。