哈克问: “ 他们头上缠粗麻布、抹着灰干嘛? ”" What does he put sackcloth and ashes on his head for? " inquired Huck.糖是装在粗麻布口袋的, 每袋100公斤.We pack sugar in a new gunny - bags of 100 kgs. Each....
A flight of stone steps leads to the terrace.一段石阶通向露台。Nervously clutching our glasses of chilled wine, we gathered on the terrace.我们聚集在露台上,手里紧张地握着盛有冰镇葡萄酒的酒杯.Single room in lovely flat, roof terrace, non-smoking prof., wo...
我们迄今还未将电子自旋的效应考虑在内.So far we have not included the effects of electron spin.我们引入电子自旋的标记如下.We introduce labels for the spin of electron as follows.通过环氧化和氧化就得到外消旋的含十八个碳的昆虫返动激素.Epoxidation and oxidation gave the racemic C 1...