难以

difficult to; hard to; not easy to
～否认undeniable;irrefutable/～开发的煤炭资源stranded coal/ ～理解hard to understand;incomprehensible/～忘怀hard to forget; unforgettable/～为继difficult to maintain; hard to keep up/～置信incredible;unbelievable/～奏效hard to get results

• 槦
• 槬
• 槭
• 槭树
• 槭树叶
• 槭树液汁
• 槭糖
• 槭糖浆
• 槮
• 槯
• 槱
• 槲
• 槴
• 槵
• 槶
• 槷
• 槸
• 槺
• 槻
• 槽
• 槽刨
• 槽型层压模型
• 槽子糕
• 槽式运输机
• 槽形皮带运输机