Monoerg
同种抗原抗血清, 单应性抗血清
🗣️ 情景例句
No way. I must get everything ready before noon.
不行啊，我必须在中午前把一切都做好。
You speak English pretty well.
你的英语讲的很好。
He was still smiling when the door opened and his wife came in.
他正笑着的时候门开了，他的妻子走了进来。