29. 处理,解决 deal with
28. 与此同时 at the same time
27.温室效应 the greenhouse effect
26.把…分成 divide… into…
25.占据(时间,空间等) take up
24.提到,涉及,有关 refer to
23.带走 take away
22.关掉水龙头 turn the tap off / turn off the tap
21.海平面 the level of the sea / the sea level
20.形成 come into being