骑田岭花岗岩是燕山早期深源浅成的高钾钙碱性复式花岗岩岩体.Qitianling granite is a post - collisional , deep - sourced and hypabyssal, early Yanshanian high - K calc - alkaline granite complex pluton....
妊娠期从95天至150天不等。The gestation period can be anything between 95 and 150 days.经历一番痛苦挣扎后，她决定终止妊娠。After a lot of agonizing she decided to terminate the pregnancy.妊娠期服用的药物可能引起婴儿身体畸形。Drugs taken during pregnancy may cause phys...
要确保每天的钙摄入量。Be sure you get your daily quota of calcium.钙可能有助于预防结肠癌。Calcium may aid in the prevention of colon cancer.奶制品富含钙与蛋白质。Milk products are an excellent source of calcium and protein....