They use their tongues to suck in the green food.它们用舌头吮吸着绿色食品。
These plants suck up moisture from the soil.这些植物吸收土壤中的水份。
But planting has been criticized because trees take years of growth to suck up an equivalent amount of released carbon.但种树这个选择受到许多批评,因为树木必须要花好几年的时间才能吸收等量的二氧化碳。