I have very pale skin that never tans...我皮肤很白，怎么也晒不黑。Then I'll have to wear tacky old grays and tans and lilacs. "那么,我就只能穿倒霉的老灰色,穿褐色和淡紫色了.I have very pale skin that never tans.我皮肤很白，怎么也晒不黑。Bottle tans can make your ...
That's the whole difference between quantitative and qualitative research.那就是定量研究和定性研究之间的重大差别。Qualitative analysis shows that water is made up of hydrogen and oxygen.定性分析表明水是由氢氧结合而成的.There are qualitative difference...
They also secrete antimicrobial sub - stances, including lysozyme and defensins.他们还分泌抗菌分的立场, 其中包括溶菌酶和防御.Over - the - counter topical anesthetics and antimicrobial mouthrinses may provide temporary relief.使用非处方的局部麻醉剂和抗菌漱口...
这是喷射式钻头,那是人造聚晶金钢石钻头.This is jet bit and that is a PDC bit.pdc钻头用聚晶金刚石 ( 复合片 ) 作为刀具.PDC bit uses polycrystalline diamond compacts ( PDC ) as cutters.提出一种人造聚晶金刚石镶套新工艺———六面顶高压镶套工艺.A new mounting technology for synthetic dia...