subtleadj.微妙的；敏锐的；不明显的；精细的；狡猾的subtle passage system隐蔽输导体系subtle hydrocarbon pool隐蔽油气藏Subtle trauma operation微创手术subtle searching process精搜索过程subtle hydrocarbon traps隐蔽油气图闭Subtle shades of meaning意义上微妙的不同subtle character texture细微特征纹理subtle and finely nuanced差别微妙细微的subtle lights and shadows隐隐约约的灯光和人影subtle economic management优良的经济管理