Photoflavins
9-烷基咯嗪
🗣️ 情景例句
Hello, Harry.
你好 ，Harry。
The money the miser hoards will do him no good.
守财奴积的财富，对他自己没好处。
We can see the lake from our bedroom window.
从卧室的窗口可以看见那湖。