Para.5 Where there are low-lying coastal areas (where a large fraction of the world's population lives) the water will advance steadily,forcing people to retreat inland. advance v. 冬 to move forward towards sb.sth.前进，（使）向 前移动 e.g.The troops were finally given the order to advance. Para.5 ❖ Where there are low-lying coastal areas (where a large fraction of the world’s population lives) the water will advance steadily, forcing people to retreat inland. ❖ advance v. ❖ to move forward towards sb./sth. 前进，（使）向 前移动 ❖ e.g. The troops were finally given the order to advance