The invention is characterized in that the cabin storing ball arm is turned to place corresponding to import and export of tubular bag, which is convenient for users to choose;

其优点是，把存放所需球杆的舱位转到与筒形袋体的进出口对应的位 置，方便使用者选取；

youdao

When he fell, his arm knocked the ball into the net.

他倒下时，胳膊刚好把球撞进网。

youdao

Award a penalty kick: there is no such thing as' ball to arm 'in this situation: the player must take the consequences of his actions.

判罚点球。这不是一个所谓的“球打手”的状况，所以这名后卫只能对他自己的行为自食其果。

youdao

And I stuck out my hand and the ball bent my arm back.

WHITEHOUSE: Take Our Daughters and Sons to Work Day 2012

On a slow pitch, Rayner then got going by bowling Michael Lumb as he played back before he had John Crawley taken at slip, nibbling at his arm ball.

BBC: Hampshire stung by Rayner's spin

He gives every delivery a serious tweak, but has a superb arm ball, perfectly illustrated by the sliders that dismissed Ricky Ponting and Xavier Doherty - he is a brilliant spin bowler.

BBC: Jonathan Agnew column