The name Sahara conjures up images of a desert of aridity."撒哈拉"这个名字使人想起干旱的沙漠情景....the great nomadic tribes of the Western Sahara.西撒哈拉伟大的游牧部落...the barren wastes of the Sahara.贫瘠的撒哈拉沙漠The Sahara Desert is a natural barrie...
The Sahara Desert is arid.撒哈拉沙漠非常干燥.If you were in the Sahara, you would realise the value of fresh water.如果你在撒哈拉大沙漠, 你就会知道淡水的价值了.The couple set off in August from Morocco, drove through the Sahara, visited Nigeria and w...
锥状细胞不合感赤色素、感赤色素和感蓝色素不一栽.Cones are divided into dusnesne, Green pigment and sensible blue pigment.山蓝色素前体是很不稳定的化合物.The precursor of the pigment from Peristrophe baphica is an unstable compound.而红曲米色素和栀子蓝色素不具有抗氧活性.However, ...
The research revealed that the reaction products were HO + CN, O + HCN, H + CNO, H + NCO, N + HCO and NH + CO.可能的产物是OH+CN 、 O+HCN 、 H+CNO 、 H+NCO 、 N+HCO、NH+CO,这些产物与实验检测到的结果相吻合.Perhaps you do not know. CN domain mail Wha...
In late 1927 he led the armed peasants into the hills of south Jiangxi.1927年底,他带领武装农民进入赣南山区.Preliminary investigation on the Chihu Lake aquatic vascular plants in Jiangxi Province.江西赤湖水生维管束植物的初步调查.Inspection Certificate ...