concretion相关的词根或词缀是: crecreas

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A mineral concretion , usually of calcium carbonate , occurring in the epidermal cells of certain plants , such as figs .

钟乳体一种矿石凝结物，通常为碳酸钙，在某些植物的表皮细胞中产生，如无花果。

In this course , the teacher should act leading part combined with some concretion teaching plan , this paper tries to approach the teaching method of junior high school chemistry teaching .

本文结合一些具体教案，试图探讨初中化学教学中与此相适应的一些教学方法。

It is not only the right affirmed , ensured , and restricted by law and statutes , the inherent right by nation itself , but also the concretion of the system of regional national autonomy from constitution and law .

它是由法律法规确认、保障和制约的权利，是民族本身固有的权利，也是宪法和法律关于民族区域自治制度的具体化。

A mineral concretion in an organ , such as the kidney or gallbladder , or other body part ; a calculus .

结石在一器官如肾脏或膀胱处或身体其他部位的矿物质凝聚。

Concretion of their protection duty and the damage defence duty ( sanity ) following the federal emission protection law .

联邦排放保护法律规定的保护职责与危害防御职责(保护健康)的具体化。