origins
You can refer to the beginning, cause, or source of something as its origin or origins.
theories about the origin of life.
有关生命起源的各种理论。
Their medical problems are basically physical in origin.
他们的疾病主要是身体上的问题引起的。
The disorder in military policy had its origins in Truman's first term.
军事政策中的混乱根源于杜鲁门的第一届任期。
Most of the thickeners are of plant origin.
大部分增稠剂是由植物制成的。
When you talk about a person's origin or origins, you are referring to the country, race, or living conditions of their parents or ancestors.
Thomas has not forgotten his humble origins.
托马斯没有忘记他卑微的出身。
people of Asian origin.
亚裔人们。