1. Since the early 1990's, we've seen the introduction of resin balls, reactive resin balls and ultra-reactive particle balls. Now it seems there is a new bowling ball introduced every other day. 1990年初，开始有了胶质球的研发，而后又陆续推出更优质的微粒树脂，时至今日，似乎每天都有新球上市。
2. The company is specializing in producing competing used tennis balls, professional training tennis balls. American style wall balls, junior promotion ball and so on. 本公司专业生产比赛网球、专业训练网球、美式壁球、青少年晋级用球等…
3. The software system consists of the data base subsystem, model base subsystem, graph base subsystem, method base subsystem, help base subsystem &man-machine interface. 该软件系统由数据库子系统、模型库子系统、图形库子系统、方法库子系统以及帮助系统和人机界面组成。
4. We manufacture stainless steel products which are used for decoration. Fine balls, hemispheres, worm balls, door flowers, doorkonbs, ladder flowers, knockers are our main products. 本公司生产不锈钢装饰品，主要有不锈钢圆球，精品球，半球，螺丝球，梯花，拉手，门花，门环。
5. Three pompom balls magically pass through three cups and then magically turn into four balls! 三个球魔法般穿过3个杯子，然后不可思议地变成四个球！
网络释义
walk base on balls 四坏球;
四球;
base on balls 四球安全上垒;
四坏球后送上垒;
四坏球上垒;
四坏球自由上垒;
walk base on balls 四坏球;
四球;
tetra-atomic base tetracid base tetratomic base 四价碱;
Comparison of Tin base Lead base and Zinc base alloy for Bearing purpose 锡基、铅基及锌基轴承合金比较表;
