subcutaneous layer短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 皮下层 Methods: Toadopt methods of micro-fixed-point injection and ultraviolet radiation, We inject formative liquid of black spots into varying depth subcutaneous layer of animal. 方法：采用微量定点注射法将黑斑形成液注入动物皮下不同深度，并辅用紫外线照射法。 chemyq