Streptolysin
[机] 链球菌溶血素
🗣️ 情景例句
Can you help me?
你能帮帮我吗？
Mr. Chairman, may I have the floor?
主席，我可以发言吗？
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？