古埃及人制造了玻璃 、 瓷砖 、 松脂 、 肥皂和染料.The ancient Egyptians could make glass, tile, turpentine, soap and dyes.一些小昆虫常常不幸粘到了松脂里.Little insects were often unlucky and got stuck in this sap.本厂常年供应优质松脂 、 松香、松节油.Our perennial supply of ...
我有一副很低的女低音嗓音。I had a very low contralto voice.这次的配乐需要一位女低音歌手。The score calls for a contralto.唱歌的四个声部是女高音 、 女低音 、 男高音和男低音.The four parts in singing are soprano, alto, tenor and bass....
在用水以前先将其中不清洁的东西过滤掉.Filter out all the dirt before using the water.清洁的衣服和良好的举止能给人以好感.Clean clothes and good manners are prepossessing.和孩子讨论污染问题，强调清洁的街道、草地或公园有多么美丽。Discuss pollution with your child, emphasizing how nice a ...
我已试过在睡觉前喝些热饮料和心里计数的方法, 但目前我似乎就是睡不着.I've tried a hot drink at bedtime and counting sheep, but I just can't seem to get to sleep these days.我想玛蒂不会与你计数的.I don't think Marty's going to hold it against you...
但是, 根据最新的金属理论, 铜在金属态下仍然是离子化的.However, according to modern theory of metals, the copper is still ionic in the metallic state.然后,被离子化的粒子流过一组间隙很小的金属板.The ionized particles then flow past a set of closely spaced metal plates...