您要查找的是不是：
- 洛克在甘青藏区:民族学研究的一手材料Joseph F. Rock's Adventures in Amdo and His Archives at Harvard University
- 材料makings
- 这些场馆建筑发展过程，也就成了你现代体育产业化研究最生动的一手材料了。The development processes of the buildings of these stadiums and gymnasiums become the most vivid and first hand materials for your research of modern sports industrialization.
- ph.1. 第二手吸入之烟,被动吸入之烟(指吸烟者也迫使周围人士吸进其喷出之烟)secondhand smoke
- 他的报告里只有第二手资料。His report contained only secondhand information.
- 第二手second-hand
- 包装材料wrapper
- 第二手证据secondhand evidence
- 建筑材料tignum
- 第二手的second-hand
- 生物材料biomaterial
- 牵手hand in hand
- 纳米材料nanophase materials
- 拉手knop
- 保温材料heat insulator
- 手提电脑laptop
- 辅助材料ancillary materials
- 手下understrapper
- 金属材料metallic material
- 手把handlebar
