Flavin: Any of a class of organic compounds, pale yellow biological pigments that fluoresce green.黄素: 一组浅黄 、 绿萤光生物色素,在植物和动物组织中分布很广,含量少.The cheaper FNDs fluoresce roughly as well as those produced with an electron beam.此种...
He is a very deft novelist too, with a superb ear for dialogue.他同时也是一名才思敏捷的小说家，很善于搜集对话方面的素材。Spring's real harbingers are too subtle for the eye and ear.对于眼睛和耳朵而言,春天名副其实的先兆太微妙了.The discord of his music was hard on th...
约有250位来宾参加了奉献典礼。Some 250 guests attended the dedication ceremony.所有来宾必须到接待处报到。All visitors must report to reception.博物馆正在修建新的来宾接待室。The museum is building a new reception centre for visitors....