Three novel Schiff bases were synthesized using the reaction of 4 - aminoatipyrine with 3 - formylchromone, cinnamaldehyde and anisaldehyde. 用 4- 氨基安替比林与 3- 甲酰基色酮 、 肉桂醛、茴香醛反应分别合成了3种新的席夫碱化合物.
We must keep a sense of proportion about all this.我们对所有的这些都要有轻重缓急之分。A substantial proportion of the population speak a French-based patois.人口中有一大部分说以法语为基础的混合语。The proportion of women in the profession had risen to 17.3%....
把操纵杆向你身体一侧拉动以调节速度。Pull the lever towards you to adjust the speed.他两眼直瞪着前方,拉足了操纵杆.He kept his eyes straight on before and opened the lever wide.隐藏弹射座椅的操纵杆.Hide the ejector seat levers....
凯歌阵阵,喜报频传.Songs of triumph are heard all round and good news keeps pouring in.《荆柯刺秦王》是她第三次与陈凯歌合作.The Emperor and the Assassin is her third collaboration with Chen Kaige.战士们唱起了歌颂他们英勇战斗的凯歌.The soldiers sang a song of victo...