4周搞定2000+托福核心词
accent = ac(一再) + cent(唱歌) = 着重唱→重音
accentuate = ac(一再) + cent(唱歌) + uate(表动词) = 一再唱出→强调
discreetly = dis(分开) + creet(搞清) + ly(表副词) = 谨慎地
discret = dis(分开) + cret(搞清) = 区分开→不同的→分散的
abrasion = ab(表加强) + ras(刮擦) + ion(表名词) = 磨损
abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象
一再地搞清楚→添加，积累
accretion
常考释义
n. 吸积（天体因自身引力俘获周围物质而使质量增加的过程）【天文】
Professor: Yeah. This process is called accretion.
教授：是的。这个过程被称为吸积。
Now, think of it as two parts: an inner accretion disk, and an outer accretion disk.
我们把它分成两个部分来考虑：内部的吸积盘和外部的吸积盘。
来源于：听力OFFICIAL38 L6Okay. That's how the inner rocky planets probably formed by accretion.
好的。这就是内部的岩态行星怎么通过吸积作用形成。
来源于：听力OFFICIAL38 L6Outer regions of an accretion disk can be unstable, gravitationally unstable, which is what causes these clumps to form, and in some cases, grow in to proto- planets.
吸积盘的外部区域是不稳定的，在重力上是不稳定的，这就导致了大团气体的形成，在某些情况下，这就导致了原行星的形成。
来源于：听力OFFICIAL38 L6So this theory suggests that large planets, the gas giants, uh, they develop from large clumps of mostly gas and some dust in an accretion disk.
所以这个理论认为，大的行星，气态大行星，嗯，它们是形成于大团的吸积盘的气体和灰尘。
来源于：听力OFFICIAL38 L6We believe solid particles probably made up just one percent of the outer accretion disk.
我们相信，固态粒子可能只占外部吸积盘的百分之一。
来源于：听力OFFICIAL38 L6You see, most of the outer accretion disk would have been gas.
你看，大多数的外部吸积盘的构成都是气体。
来源于：听力OFFICIAL38 L6Well, the first theory says the accretion process was similar to the one that formed the rocky planets, with some key differences.
第一个理论认为，形成气态行星的吸积过程与形成岩态行星的吸积过程相似，但是有几个关键的不同。
来源于：听力OFFICIAL38 L6But what about those gas planets in the outer solar system, in the outer accretion disk?
但是那些位于太阳系外部、处于外部吸积盘内的气态行星，是怎么形成的呢？
来源于：听力OFFICIAL38 L6n. 连生；合生
Coral is formed by a process of accretion.
珊瑚是通过连生形成的。
n. （逐渐）增大，增长，增加物<正式>
We are not doing enough to move students through the educational system with a faster level of skill accretion.
让学生在教育系统中更快地增长技能，在这方面我们做得还不够。
The larger the animal, the greater the accretion of poison in the fat.
动物体型越大，其脂肪中堆积的毒物就越多。
n. 粘连，增积物【病理】
n. 继承份额的增加；遗赠份额的增加【律】
n. （大洲板块的）增生【地质】
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