... percent shunt index 释义：百分分流指数,分流指数百分比 hard calculus 释义：硬牙石含有高百分比的钙化物质 trend proportion 释义：百分比[率]趋势 ...
双语例句
1
Once plaque has hardened into calculus (tartar), brushing can't remove it. If you think you might brush too hard, hold your toothbrush the same way you hold a pen.
如果你认为刷牙可能太用力，握你的牙刷就想握一支笔一样。
2
In contrast, the KEY III is suitable for the treatment of soft tissue and hard tissue (enamel and bone), and in periodontology for gentle calculus removal.