Enamel is the hardest structure of the body and the richest in calcium . 釉质是身体中最硬的组织最富于钙质。
The deposit is contained in the predominantly calc-silicate upper part of the corella formation . 矿床位于科雷拉岩系上部主要为钙质-硅酸盐类的岩层中。
As more calcium was needed for building bone and blood, the calcium content of my milk soared . 由于制造骨骼和血液需要更多钙质,我奶里的钙含量就猛然增加。
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。
Calcite cementation seems a possibility where lime grains or calcareous organisms are abundant . 在灰质颗粒或钙质生物丰富的地方,方解石胶结作用似乎是有可能的。
Other plankton species in near equal numbers replaced calcareous microplankton as they died out . 钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了。
The long axes of the ellipsoidal shaped calcareous concretion reflected the direction of movement of mineralizing groundwaters . 椭圆形的钙质结核的长轴方向反映了地下矿化水的流动方向。
Milk is the major source of calcium for babies 牛奶是婴儿获取钙质的主要来源。
Drink at least one glass of milk per day to absorb calcium 每天饮一杯奶以吸收钙质
A balanced diet rich in calcium and vitamin d 富含钙质和维他命d的均衡饮食。