This is a special difficulty unique to that boy.
这是那个男孩所独有的特殊困难。
The bauxite ore of Guangxi Debao Bauxite Mine is an ore with strong stickability and special difficulty in washing.
广西德保铝土矿矿石属于强粘性、特难洗的矿石。
Public library; Reader service; Special difficulty groups.
公共图书馆；读者服务；特困群体。
Public library; Reader service; Special difficulty groups.
公共图书馆；读者服务；特困群体。
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