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。

The script has been gathering editorial accretions for years.多年来该剧本一直在修改。

Coral is formed by a process of accretion.珊瑚是通过连生形成的。