国文屋有关In1990over100countri的精选知识
知识的精华会让学习更简单容易，热门的In1990over100countri鉴赏列表是专门提供In1990over100countri的相关精彩内容的地方，这里的In1990over100countri相关内容，小编都精心编辑，精选优质In1990over100countri的相关知识，分享一些In1990over100countri方面的精华知识。
-
![In1990,over100countriessigned 61 internationalagreemen...]( "In1990,over100countriessigned 61 internationalagreemen...")
In1990,over100countriessigned 61 internationalagreemen...
问题详情：In1990,over100countriessigned61internationalagreementtomakeitillegaltobuyorsellivory,whichismainlyusedforjewelry.Mostivoryismadefromthetusks（象牙)ofAfricanelephants.Thesetusksare 62 ...
