a trapeze acrobat(杂技)空中飞人表演By the time he was nine years old, he was already performing as a trapeze artist.他年仅九岁时，便已经在表演空中飞人的特技。A long drum roll introduced the trapeze artists.长长的一阵紧锣密鼓声中迎来了高空秋千表演者。He was a great trapez...
Clearly aqueous preservative systems must possess a fixation mechanism.显然,水溶性防腐剂必须有固定的历程.Continental production and flower pots, cisterns, nursery toys, chemical preservative products.兼产欧式花盆 、 水箱 、 幼儿园玩具 、 化工防腐产品.TITAN :...