初三的英语作文 How was the ball-point pen invented?
初三的英语作文 How was the ball-point pen invented?
根据下面的提示,写一篇短文
标题:How was the ball-point pen invented?
who John Loud,an American tanner
when in 1888
advantages help write faster,make life easier
isadvantages need relilling,sometimes leak
where to be used mamy fields
price low
changes become smaller and lighter