Most of the New Grange site is an earth - covered cairn.新格兰奇的大多数遗迹是被泥土覆盖的石堆.New Grange is one of the most extravagantly decorated prehistoric tombs.新格兰奇是装饰最豪华的史前陵墓之一.In a few minutes Norman Grange stamped along the veran...
Are you serious in meditating a journey to Egypt?你是在认真考虑到埃及旅行一次 吧 ?He sat there meditating upon his misfortunes.他坐在那里沉思他的不幸遭遇.She sat there meditating upon her bitter past.她坐在那儿默想过去的痛苦....
There are just four kinds: adenine, thymine, guanine and cytosine.只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine.DNA(脱氧核糖核酸)的G+C 摩尔百分含量为32.6—33.1.It is a layer of guanine ...