信写好后把它装进空白信封里封好。Write your letter and seal it in a blank envelope.当他们判定我们有罪时，我的脑子顿时一片空白。When they found us guilty, I just went blank.用铅笔向上短短地勾画几道来填充空白。Fill in gaps by using short, upward strokes of the pencil....
Costa Rica becomes a signatory to the Buenos Aires copyright treaty.1916年,哥斯达黎加成为布宜诺斯艾利斯版权条约的签字国之一.He fled to Costa Rica to avoid military service.他逃到了哥斯达黎加以逃避服兵役。...banana plantations in Costa Rica.哥斯达黎加的香蕉种植园Here, a fe...
这种预糊化面粉有时也混合以瓜尔豆面粉或褐藻酸盐.Such pregelatinized flours are sometimes blended with guar flour or alginates.目的研制富含褐藻酸寡聚糖的酸奶.Objective To develop acidophilous milk enriched with alginic acid oligosaccharide.目的优选昆布中褐藻酸的最佳提取工艺.Ob...
Non - basic nitrogen - containing series include pyrroles, indoles, carbazoles and benzcarbazoles.不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.Fig 3 Excitation and emission spectra of indoles and its derivative in DMSO.图3吲哚及其衍生物的DMSO溶液的激...
The sky this morning is a mosaic of blue and white.今天早上的天空是幅蓝白相间的画面.I was admiring the exquisite workmanship in the mosaic.我当时正在欣赏镶嵌画的精致做工.Major works of painting, sculpture, mosaic and architecture were examined in situ...
A ragged shout went up from the small crowd.这一小群人发出了刺耳的喊叫。A ragged little boy begged his bread along the street.一个衣衫褴褛的小男孩沿街乞讨。In the corridor were four dirty, ragged bundles, just identifiable as human beings...走廊里有4团脏兮...