Serolysin
血清溶素
🗣️ 情景例句
And take measures to reinforce them. Please set your mind at rest.
并采取措施加固。请放心好了。
How've you been?
别来无恙？
They all went up some narrow steps into a large room.
他们全都登上这些狭窄的台阶，接着进入一个大房间。