Lactobacillin
乳酸杆菌素
🗣️ 情景例句
OK, let's talk.
好吧，我们来谈谈。
He's studying his lesson.
他正在学习课程。
If a nation is essentially disunited, it is left to the government to hold it together.
如果一个国家实际上处于分裂状态，使之联合起来就是政府的事了。