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- chert and flint 燧石和黑燧石
- Cigarette case . cotton-core and flint. 另外还有精品香烟盒、棉芯和火石等配置。
- The former is used when working with crystalline materials such as flint, chert and obsidian. 之前的人类使用的是晶体类的原料，例如燧石，黑硅石及黑曜石。
- His whole face was colourless rock; his eye was both spark and flint. 他整个的脸就象无色的岩石，他的眼睛既象火星又象火石。
- His whole face was colorless rock; his eye was both spark and flint. 他整个的脸就象无色的岩石,他的眼睛既象火星又象火石。
- The thin-beded siliceous-rocks include chert and depositional quartz with textures of oolite and pebble. 矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。
- The finest vineyards are found on well-draining gravel, where quartz and flint pebbles lie over a subsoil of marl. 最好的葡萄园处于排水良好的砾石带，在那里石英和燧石平铺在泥灰的下层土之上。
- Abstract： The Cambrian stratabound gold deposits in Jiangzha, western Qinling Mountains are hosted in the silicalite formation composed of black chert and carbonaceous slate. 摘 要： 西秦岭降扎地区寒武系中的层控金矿床，产于由碳质硅岩和碳质板岩组成的硅岩建造中。
- An achromatic lens system may consists of several cemented or separated groups of orown and flint glasses. 一个消色差的透镜系统可由若干个互相贴合的或互相分离的、由冕玻璃和火石玻璃组成的组元组成。
- Featured regularly at all Borders Bookstores in the Detroit area as well as Ann Arbor and Flint. 常常受特邀在底特律地区布劳德斯书店及安阿伯和菲林特等地演出。
- A hide quiver contained14 arrows, only two of which had feathers and flint arrowheads attached, but these two were broken. 奥兹的兽皮箭筒里有14枝箭，只有两枝装上了羽毛与燧石箭头，但是都折断了。
- A hide quiver contained 14 arrows, only two of which had feathers and flint arrowheads attached, but these two were broken. 奥兹的兽皮箭筒里有14枝箭，只有两枝装上了羽毛与燧石箭头，但是都折断了。
- The Paper presents a geomorphological and neotectonic study and the stratigraphical divison of Eogene in the central and southern region in Shandong Province where diamond-bearing chert and conglomerate are distributed. 本文对山东中南部含金刚石燧石砾岩地区的地貌、新构造、早第三纪地层进行了研究和划分,在该区首次发现了河流袭夺现象。
- Jindrich, now at Harvard University, hit on the idea of mini cannons: inch-long plastic tubes filled with gunpowder, ball bearings and flint shavings. 那是一根2.;5公分长的塑胶管，里头装有火药、珠轴承及燧石切片。
- A diallel study including three inbred lines each of dent and flint maize as parents were grown in the spring and fall crop seasons. 以玉米三个硬粒种及三个马齿种之全互交为材料，分别种植于春作及秋里作，探讨期作对生长分化等性状基因表现之影响，其结果摘要如下。
- Bones and flint tools found in Norfolk and Suffolk show that Homo erectus lived in what is now England about 700000 years ago. 在1972年，政府改革四部分边界时，英格兰正式被官方定义并使用。
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
