水的循环 英语作文 5.6句就可以 短点
3个回答
water exists in three different states,solid,liquid and gas,the solid water is ice,liquid is the normal state,vapor is the water in gas.water always transfers in these states ,vapor comes from ice or water,when it meets coldness,it forms little drop of water,with air's convection,it turns into rain or hail,falls down to the ground.permeates the soil,some will stay and be absorbed by plants,be transferred to vapor from leaves,some will flow to the river,finally to the sea,expose to the sunlight,turn into vapor.this is the simple circulation that water chages states between solid ,liquid and gas.
