Parabromoacetophenone
对溴苯乙酮
🗣️ 情景例句
And this gentleman is my grandfather, Malcolm Stewart.
这位绅士是我祖父Malcolm Stewart。
Every day is not Sunday.
好景不常在，好花不常开。
Why don't I pick you up at your house?
为什么不让我去接你呢？