three days from today; the day after [[后天|後天|hou4 tian1]]

Tomorrow or the day after tomorrow; more generally, the next couple of days

the state of being acquired after birth rather than innate (e.g., traits, conditions, or characteristics)

To be the first to worry about the affairs of the state and the last to enjoy oneself; originally a quote from the Song dynasty writer [[范仲淹|范仲淹|fan4 zhong4 yan1]] in his essay [[岳阳楼记|岳陽樓記|yue4 yang2 lou2 ji4]] expressing self-sacrifice for the public good.

The defense capability of a vertebrate's body to produce antibodies after birth when stimulated by antigens or vaccines; also called [[获得性免疫|獲得性免疫|huo4 de2 xing4 mian3 yi4]] or [[适应性免疫|適應性免疫|shi4 ying4 xing4 mian3 yi4]]

Acquired Immune Deficiency Syndrome; a disease caused by the HIV virus that destroys the immune system, commonly transmitted through blood, sexual contact, or from mother to child

To be born with a weak constitution and suffer from poor health throughout life; used figuratively to describe a project or person that is problematic from the start and gets even worse over time.

The debate or relationship between heredity and environment; nature versus nurture

acquired immune deficiency syndrome