accretion

UK:  [ə'kriːʃ(ə)n]

US:  [ə'kriʃ(ə)n]

复数：accretions  

n.

1.淤积

2.堆积

3.淤泥

4.炉结

5.增长作用

6.增大

7.增加物;生长

8.连生,合生

9.【地质学;地理学】冲积层

10.【法律】(财产的)自然增加

1 . If accretion takes place in eccentric orbits as well, the rotation will be prograde and of the right order of magnitude.
如果吸积发生在偏心轨道，则自转将是正向的，且快慢也合适。

2 . The selective accretion theory chalks it up to high gas density in the early solar system, during the planet's formation.
选择性附加理论写出它的高气体密度在早期太阳系，在行星的形成。

3 . Astronomers ascribed them to thermonuclear fusion of hydrogen or helium or to the sudden accretion of matter onto the star.
天文学家因此可将其归因于氢或氦的热核融合反应，或是有物质突然被星体吸附而产生的。

4 . Planets are believed to emerge from the accretion of particles in a disk of gas and dust as they whirl around the star.
一般认为围绕着恒星旋转的一圈气体和尘埃中颗粒聚集而形成行星。

5 . Because the accretion disk itself is believed to be magnetized, the rotation of the disk can twist the magnetic field lines into a helix.
为我们相信吸积盘本身是被磁化的，圆盘的旋转可将磁力线扭曲成螺旋线圈状。