密生
2.genus of tropical herbs or subshrubs having flowers in close heads; tropical America and Australia.
3.a coarse vine widely cultivated for its non-keeping large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes.
4.Any of several perennial herbs of the genus Petasites in the composite family, native to northern temperate regions and having large basal leaves and dense clusters of usually whitish or purplish flower heads.
5.The skin of an animal, especially the thick, tough skin or pelt of a large animal.
6.small secretive nocturnal lizard of southwestern North America and Cuba; bear live young.
8.The results showed that the Mooney viscosity of compounds decreased,the Mooney scorch time extended,the tensile strength,modulus at 300%,tear strength and wear resistance of vulcanizates increased,the energy consumption of internal mixer and the heat build up of compounds lowered and the endurance and speed performance of finished tire improved by adding ZD 2.
10.Both secrecy and deception are self-protecting mechanisms due to a sense of mistrust regarding the interest or ability of others to provide useful information.

