1. The research present situation and advancement of growth structure of nacreous layer are discussed. ������������ṹ���о���״�뷢չ�������������������ۡ�
2. Non-nacreous melo pearls are produced by melo volutes, which are found along coastal areas of Myanmar as well as Indonesia, Thailand, Cambodia, and Vietnam. ����飬ӡ�ᣬ����կ��Խ���غ�������������������ţ����û�������ʵ������顣
3. As the defense mechanism, the oyster production is called the nacreous layer one material result form nearby the intruder the lamination stack, the creation pearl. ��Ϊ�������ƣ�������ĵ�ñ���Ϊ�������ϵĽ��֮һ��ʽ�����������ߵĸ��ϵ��ӣ��������顣�������顣
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adj.
1. consisting of or resembling mother-of-pearl
2. having a play of lustrous rainbow-like colors