4周搞定2000+托福核心词
石头的→碳酸钙的→钙质的
calcareous
常考释义
adj. 钙质的,石灰质的
Calcareous sediments accumulated on a sea floor and eventually were compacted and cemented to form limestone.
钙质沉积物堆积在海底,最后压紧并胶结形成石灰岩。
However, in addition to corals there are enormous quantities of algae, some calcareous, which help to build the reefs.
然而,除了珊瑚以外,还有大量的藻类、一些钙质都对珊瑚礁的形成有帮助。
来源于:阅读OFFICIAL47 P3[kæl'kɛrɪəs]
基本释义 adj. 钙质的
常考释义 adj.钙质的,石灰质的
Calcareous sediments accumulated on a sea floor and eventually were compacted and cemented to form limestone.
钙质沉积物堆积在海底,最后压紧并胶结形成石灰岩。
calcification n. 钙化
calc石头+i+fication...化 =钙化,石灰化
calcite n. [矿物] 方解石
calc石头+ite物 =方解石
calcium n. [化学] 钙
calc石头+ium名词 =石头→碳酸钙→钙
discourteous adj. 失礼的,无礼貌的
dis不+court庭院,宫廷+eous……的 =不是来自宫廷的礼节→无礼貌的
gaseous adj. 气体的
gas气体+eous...的 =气体的→气态的
igneous adj. 火成的
ign点火+eous...的 =需要点火→火成的
north-easterly adj.在东北的;向东北的;朝东北的
north北+easterly东方的 = 在东北的;向东北的
lithium n.锂
lith石头+ium金属元素 = 锂
stimulus n. 刺激
stimul刺激+us表名词 = 刺激物
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