Polyerg
[医] 多能血清(单种血清而作用于异种抗原)
🗣️ 情景例句
Do you think Susan and Harry will get married?
你觉得Susan和Harry会结婚吗？
No time like the present.
只争朝夕。
they do not realize that they are deprived of the necessities of life.
却没有意识到被剥夺了生活所必需的东西。