ing形式是throwing,中文意思是v. 掷(throw 的 ing 形式),n. 投掷
The boys were throwing sticks and stones at the dog.男孩子们朝那条狗扔枝条扔石头。
He spent hours throwing a tennis ball against a wall.他花了数小时对着一堵墙扔网球。
People were booing and throwing things at them.
ing形式是throwing,中文意思是v. 掷(throw 的 ing 形式),n. 投掷
The boys were throwing sticks and stones at the dog.男孩子们朝那条狗扔枝条扔石头。
He spent hours throwing a tennis ball against a wall.他花了数小时对着一堵墙扔网球。
People were booing and throwing things at them.