在巴西脊髓灰质炎实际上已经根除。Polio has been virtually eradicated in Brazil.脊髓灰质炎疫苗挽救了数以百万计的生命.The polio vaccine has saved millions of lives.1995年,已消灭脊髓灰质炎.By 1995 poliomyelitis had been totally eliminated....
Draw the basic outlines in black felt-tip pen (see fig. 4).用黑色毡头笔画出基本轮廓（见图4）。They agreed on the broad outlines of a wage settlement.他们就工资解决的办法达成框架协议.They agreed as to the grand outlines, but quibbled over particulars.他们对...