Serogenesis
血清生成
🗣️ 情景例句
Is it too early to call Mr. Carlson?
现在打电话给Carlson先生会不会太早了？
East or west,home is best.
东也好，西也好，还是家中最好；金窝银窝，不如家里的草窝。
When the bull got close to him, he clumsily stepped aside to let it pass.
观众欢呼起来，醉汉向人们鞠躬致谢。