dental calculus 中文意思是什麼

dental calculus 解釋
齒石
  • dental : adj. 1. 牙齒的;牙科(用)的。2. 【語音】齒音的。n. 1. 【語言】齒音;齒音字 [d, t, n 等]。2. 〈戲謔語〉牙醫。vt. -ize 使齒音化。n. -gia 齒痛。
  • calculus : n. (pl. calculuses, -li )1. 【醫學】結石,石;積石;牙垢。2. 【數學】運算,演算;微積分(學)。
  1. As the plaque gets harder and thicker, it becomes what is known as dental calculus or tartar, a hard calcified layer that is irtually impossible to shift with normal brushing, you would hae to get the dental hygienist to do it

    菌斑變硬增厚,即形成所謂的牙垢或牙石,它是一層很硬的鈣化層,一般不能通過刷牙去除,必須得請牙醫處理。
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