Immunisation
n. 免疫(immunization)
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
As relationships between the People's Republic of China and the United States strengthen more and more today.
随着当今中美两国关系的不断加强。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？