noun
R
A specific part of a larger area of study or work.
In physics, there are many subfields, including quantum mechanics.
在物理学中，有许多子领域，包括量子力学。
R
A section of land within a larger area, used for a particular purpose.
The farmer divided his land into subfields to grow different types of crops.
农民把他的土地分成几个子田地，以种植不同类型的作物。
translation
子领域, 分地
词形变化
Plural
subfields