Diphosphane
二膦, 二磷烷
🗣️ 情景例句
Perhaps they'll show up. In the meantime,
也许他们会露面。在这等待期间
Let's hope for the best.
让我们往好处想吧。
Oh, yes, I bought one, but I can't find it now.
噢，是，我买了票的，但现在找不见了！