There are several ways to separate excited from unexcited molecules, thus harvesting the desired isotope.目前有几种方法可以把受激发分子同未受激发分子分离开, 这样,就可以大量得到我们所需要的同位素了.He was still unexcited.他仍然不激动....
The new edges are called the spokes of the wheel.新的边称为轮的辐.to equip with spokes安装辐条My little granddaughter caught her heel in the spokes of her bicycle — it was a very nasty wound...我小孙女的脚跟夹到自行车的轮辐里了，伤得很严重。Pentagon spokes...
I run the water very hot, clouding the mirror.我把水开得很热，水汽模糊了镜面。A cataract is a clouding or dulling of the lens in the eye.白内障就是眼睛的晶状体上有阴影或者浑浊.It's clouding up. Maybe it'll rain this afternoon.天阴上来了, 今天下午也许有雨.It ...
His mother was old, badly dressed and obviously downtrodden.他母亲老了，衣着破旧，显然尝尽了苦难。The owner is making huge profits at the expense of downtrodden peasants.物主靠压榨农民而赢得暴利。...
At the end of dismantling the stage facilities, known as unloading station.演出结束,拆掉舞台设施, 称作卸台.The school also provided sleeping mats, coverlets, bath facilities and hot tea.学校给这些家长提供垫絮, 床单, 洗浴设施及热茶.A : What are the facili...
She smiled, politely rather than with tenderness or gratitude.她只是出于礼貌地笑了笑，而非出于关心或感激。The audience are strangely subdued, clapping politely after each song.观众们出奇地安静，只是在每首歌结束后报以礼貌性的掌声。"Here's the taxi," she said polite...
Man’s extremity is God’s opportunitiy.车到山前必有路。Past medical history included polycythemia, thrombocytosis, chronically low blood pressure, neuropathy and extremity deep vein thrombosis.过去史包括红细胞增多症, 血小板溶解症, 长期低血压, 神经元病和上肢深...