激光珐琅质防龋照射器: laser illuminator for dental cariostat
Example Sentences:
1.
Investigations by wolfgang m ller of the australian national university of the isotopic composition of the iceman ' s tooth enamel suggest that he had grown up in one area but spent the last several decades of his life in a different place 澳洲国立大学的缪勒研究冰人牙齿珐琅质的同位素组成，发现冰人可能在某个地区成长，但是他死前几十年却在其他地方度过。
