Polyerg
[医] 多能血清(单种血清而作用于异种抗原)
🗣️ 情景例句
He said they need a new book of photographs,
他说他公司需要一本新的摄影集，
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
We want to give some money to this project so that the number of this deer in China can be increased.
我们想在这个项目上花些钱，以便使这些麋鹿的数量在中国得到增加。