常見(jiàn)例句雙語(yǔ)例句Rufus: Mm, just in your head. T-ball. First grade. Remember this?恩在你的印象裡T球一年級(jí)還記得嗎?。l58bo2y086.blog.163.comJointly launched three brand series of high, medium and low-grade ball-point pen.共同推出三大品牌系列的高，中，低檔圓珠筆。We mainly produce various kinds of high-grade ball-point pen , gel pens and plastic products.主要生産各類中高檔圓珠筆、中性筆、廣告筆、塑料制品和木制筆。 返回 ball grade