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of its unique ability to repair damaged and diseased cells in their own 。one can never succeed without making great ,他激動(dòng)不已。he felt greatly excited at the thought of going abroad for further ,將不勝感激。i would appreciated if samples or brochure could be soon forward to ,我將非常感謝。i would appreciated it if you can reply as soon as ,會(huì)議一結(jié)束,他就上北京去度假了,昨天才坐飛機(jī)回來(lái)。he had flown yesterday from beijing where he spent his vocation after finishing the meeting he had taken part in practice, the selected interval thickness is usually a promise between the need for a thin interval to maximize the resolution and a thick interval to minimize the ,為使誤差最小必須選用厚層,實(shí)際上要權(quán)衡一下來(lái)選擇厚度。,因?yàn)檫@種金屬總是和其他元素結(jié)合在一起,最普遍是跟氧結(jié)合(鋁和氧都有很強(qiáng)的親和力)。所以,鋁直到十九世紀(jì)才被人類發(fā)現(xiàn)。aluminum remained unknown until 19th century, because no free aluminum can be found in the nature, due to the metal can connected with other elements, most monly with oxygen for aluminum and oxygen having strong was to test the effect of mercury on the heart that the two