dull a.钝的,无趣的,呆滞的,阴暗...dull-witted a.笨的,迟钝的...dull pain 钝痛...absolutely dull percussion resonance 绝对茁叩响,绝对浊音...dull red heat 暗红热...dull redness 暗红色...dull metal 过低温金属液...dull rayon 无光人造丝...dull fibre 消光纤维;无光纤维...dull polish 粗磨光...dull market 市面冷淡...dull apex tracing 钝尖描记法...dull resonance 浊音,浊响...dull emitter 暗发射体...
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