... parcel theory 气块理论 parent cloud母云 parhelic circle 幻日环 ...
双语例句
1
Moons are generally thought to form in one of two ways - either by coalescing from the same cloud of debris as their parent planet, or as wandering objects captured by the parent's gravitational pull.
卫星通常被认为形成于两种途径：一是由它们母星的同性云状碎片合并而成，一是被母星重力抓住的游离天体。
2
The main (parent) functionality of the tiny cloud is defined in Listing 10.