Well - kept heat : imported ammonia polyester bubbled to improve the heat preservation effect . in winter , overnight water is still hot 保温好：进口聚氨脂发泡，提高保温效果，冬季隔夜水仍热。
Formerly an ancient underground canal , this " palace of natural art " contains 83 well - kept stone engravings completed in different dynasties 芦笛岩原是一条古老的地下河道。洞内景点极多，有“大自然艺术之宫”之称。
Once the best - kept secret of the dance community , pilates has been discovered and embraced2 by singers , models , athletes , actors 普拉提是舞蹈界保守最严密的秘密，现在已被人们发现，并为歌手、模特、运动员和演员们采用。
Rounding a bend in the river , they came in sight of a handsome , dignified old house of mellowed red brick , with well - kept lawns reaching down to the water ' s edge 绕过一道河湾，迎面就见一幢美丽、庄严、古色古香的老红砖房；房前是修理得平平整整的草坪，一直延伸到河边。
It is one of the best - kept and most complex ancient gates . its massive walls are flanked by broad bridle paths on two sides ; these provided quick access for the cavalry to the wall platform ：是南京古城墙中最具规模的城堡式城门，亦是当今世上保存最完好结构最复杂的古城堡。
Trust me , you knew your dad . " the father ' s influence in the workplace is really one of the best - kept secrets , " he said . poulter co - authored an earlier book on mothers and daughters called mending the broken bough 波尔特还指出： “许多人会说‘我从不了解我的父亲’ ，其实，你了解你母亲对他的怨气，你对他的愤怒，你认为他是一个失败者。
During the excavation work , archeologists found prehistoric city walls in laohushan , xibaiyu and damiaopo ; in yuanzigou , they found the well - kept cave - houses in lime of surface 本书系统、全面地报道了这批重要资料，发表所有标本，并画出陶器制作痕迹，石器上的使用及加工痕迹，为研究该地区文化谱系、聚落形态，以及进一步研究陶、石器制作工艺打下良好基础。
A hiker ' s dream come true , the park offers more than 250 miles ( 402 kilometers ) of well - kept trails , snowmelt waterfalls , gravity - defying mountains , wildflower meadows , and isolated lakes embraced by an alpine world 这里是每个徒步旅行者梦中的宝地，在群山环抱的公园之中有超过250英里(合402公里)保存完好的小径、雪水融化而成的瀑布、傲然挺拔的山岳、野花遍布的草场和寂静的湖泊。
This discovery is significant for us to select model and algorithmic . the spatial order and the corresponding regularity emerge on the macro level of urban geographical systems because the symmetry is well - kept in macro sense 一个模型的内部对称性即变换下的不变性与其外部对称性即所反映的规律的普适性存在正相关。这个发现为今后的地理模型甄别与计算方法的遴选提供了理论依据。
