Stilbene
芪, 1,2-二苯乙烯, 均二苯代乙烯
🗣️ 情景例句
What-are you doing?
你在做什么？
Count not your chickens before they are hatched.
不要过早乐观。
Perhaps there is an element of truth in both these pictures,
也许，这两种都像都有可信之处。