cyclobutane英saikləu'bju:tein美saikləu'bju:teinBNC²³⁶²¹³⁺¹ 基本例句 n.环丁烷¹⁰⁰ Photoreactivating enzyme DNA photolyase repairs DNA by utilizing the energy of visible light to break the cyclobutane ring of the dimer. DNA光复活酶或称光解酶能够利用可见光裂解二聚体的环丁烷环而修复 DNA。 cnki