齒背線 的英文怎麼說

中文拼音 [chǐbēixiàn]
齒背線 英文
tooth back line
  • : Ⅰ名詞1 (牙; 牙齒) tooth 2 (物體上齒形的部分) a tooth like part of anything 3 [書面語] (年齡...
  • : 背動詞1. (用脊背馱) carry on the back 2. (擔負) bear; shoulder
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. Diagnostic characters for the recognition of species include the presence or absence of pectoral fin, the position of dorsal fin origin, gill opening, anus, nostril opening and eye, the cirri present or not, the dentition type, the body coloration, and the head pores or lateral line etc

    一般依據胸鰭的有無或發達程度,鰭起點、鰓孔、肛門、鼻孔和眼等的相對位置,頜的發達程度和頜上是否具須,的形狀和排列方式,身體的斑紋,以及頭部和體側的側孔數目等進行鑒別。
  2. Hm. . your teeth look pretty good, but there ' s quite a bit of plaque behind your front teeth and around your back teeth. do you floss every day

    唔… …你的牙看來相當好,但門牙後和後面的牙周圍有好些牙石,你有每天用牙嗎?
  3. A : hm. . your teeth look pretty good, but there ' s quite a bit of plaque behind your front teeth and around your back teeth. do you floss every day

    唔… …你的牙看來相當好,但門牙後和後面的牙周圍有好些牙石,你有每天用牙嗎?
分享友人