Streptolysin
[机] 链球菌溶血素
🗣️ 情景例句
Well, I never! I thought you were in HongKong.
哎，我真没想到！我还以为你在香港呢。
Nothing to be got without pains but poverty.
只有贫困可以不劳而获得。
It's a small world.
世界真小。