Serovaccination
血清菌苗免疫法
🗣️ 情景例句
Oh, not at all. We're still eating.
噢， 没关系 。我们还在吃着呢。
If he wants to make any changes,minor alternations can be made then.
如果他有什么意见的话，我们还可以对计划稍加修改。
All the thing I had packed so carefully were soon in a dreadful mess.
所有细心包装好的东西一会儿工夫就乱成一团。