短语
他们爬山一天
They climb day
;
One day they hiking
;
They climb one day
他们爬山一整天
They climb all day
他们在爬山
In their mountain climbing
;
They climb
他们明天将去爬山
Tomorrow they will go climbing
;
They go hiking tomorrow
;
Tomorrow they will climb
他们将会去爬山
They will go hiking