Word: 钙 (gài) Traditional: 鈣 钙 dictionary entry gài calcium (chemistry) Full dictionary entry for 钙 Example sentences using 钙 3 sentences, showing page 1 of 1. 牛奶富含蛋白质和钙。 Niúnǎi fùhán dànbáizhì hé gài. Milk is rich in protein and calcium. 牛奶里含有很多钙。 Niúnǎi lǐ hányǒu hěn duō gài. Milk contains a lot of calcium. 骨头里的钙不够，容易骨折。 Gǔtou lǐ de gài búgòu, róngyì gǔzhé. If there isn't enough calcium in your bones, they break easily.