picking up on a

i saw( )giri picking a pen up on the road .a ,a8-year-old b, picking up leaves是什么意思 请问he always picking up some rubbish on the ground.和he always picking up leaves怎么读 英语翻译A jet plane moves down an airport runway,picking up spee 英语翻译it sounds well to talk of "picking up a language" by ear 能不能将About a week ago ,I noticed a group of boys picking on a about a week ago,i noticed a group of boys picking on a smal 英语短文About a week ago ,I noticed a group of boys picking on a About a week ago ,I noticed a group of boys picking on a sma I noticed a small group of boys picking on a smaller,skinnie They are picking up leaves over there.