鞋上的擦痕很难除掉。Scuff marks from shoes are difficult to remove.有条痕的磨光面则称为擦痕面.The striated and polished surfaces are called slicken - sides.柱状节理面上未见断层擦痕或任何移动的证据.Joint surfaces of the columns do not show slickensides or any evid...
Can datura flower do Chinese traditional medicine smoke?中药洋金花可以做烟 吗 ?A coarse, poisonous plant ( Datura stramonium ) having large, trumpet - shaped white or purplish flowers and prickly capsules.曼陀罗一种粗糙, 有毒的植物 ( 曼陀罗曼陀属 )...