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- A black mineral consists of basic manganese oxide. 一种黑色矿物,由基性氧化锰组成。
- A black mineral is an ore of niobium and tantalum. 一种黑色矿物是铌、钽矿石。
- A dark green to brown or black mineral, ZnAl2O4. 锌尖晶石一种暗绿至棕色或黑色的矿物,znal2o4
- A light yellow,red-brown,or black mineral,SnO2,that is an important tin ore. 锡石一种淡黄色、红褐色或黑色的矿物,SnO2,是一种重要的锡矿。
- Eye-brow highlighting : Use a black mineral pigment to outline the eye-brow. 画黛眉:用黛(一种黑色矿物)来修饰眉型。
- A black mineral with a metallic luster,essentially(Ag,Cu)16Sb2S11,that is an ore of silver. 硫锑铜银矿一种带有金属光泽的黑色矿石,主要为(Ag,Cu)16Sb2S11,是一种银矿石
- A light yellow, red-brown, or black mineral, SnO2, that is an important tin ore. 锡石一种淡黄色、红褐色或黑色的矿物,sno2,是一种重要的锡矿
- A black mineral with a metallic luster, essentially(Ag, Cu)16Sb2S11, that is an ore of silver. 硫锑铜银矿一种带有金属光泽的黑色矿石,主要为(Ag,Cu)16Sb2S11,是一种银矿石
- A complex brownish - black mineral,UO2,forming the chief ore of uranium and containing variable amounts of radium,lead,thorium,and other elements. 沥青铀矿黑褐色的合成矿,UO2,主矿为铀,还包括不定数量的镭、铅、钍和其他元素
- The jadeite, nephrite belongs to natural material, it is thus clear that various characteristic, such as: Stone line, the black mineral wraps body etc. and all belong to normal phenomenon. 翡翠、软玉属于天然物质,可见各种特征,如:石纹,黑色矿物包体等,均属正常现象。
- a dark green to brown or black mineral,ZnAl2O4 一种暗绿至棕色或黑色的矿物,ZnAl2O4
- Any of several red-brown to black minerals with the general formula(Fe, Mn)WO4, which constitute a major source of tungsten. 黑钨矿几种红褐到黑的矿物,分子式为(Fe,Mn)WO4,主要含钨的来源
- a complex black mineral occuring in pegmatites. 一种混合的黑色矿物,见于结晶花岗岩中。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪,向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动,驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。