1·The floating cities could move up with the sea level.
漂浮的城市会随着海平面上升。
2·In contrast, should another ice age occur, sea level would drop drastically.
相反，如果另一个冰河时代来临，海平面会急剧下降。
3·The Chinese used a gravity meter to correct for local deviations in sea level.
中国人用重力仪来校正海平面的局部偏差。
4·Whoever wins the tournament will have switched from altitude to sea level and back again at some point.
无论哪队赢得今年的比赛，他们都将从高海拔换到海平面，然后在某一时刻再换过来。
5·Whatever the reason for mountain formation, as soon as land rises above sea level it is subjected to destructive forces.
不管形成山脉的原因是什么，一旦陆地上升到海平面以上，它就会受到毁灭性的力量的影响。