1. C 球，球状物　 a round thing that you use in games and sports; any round thing
2. C 舞会　 a big formal party where people dance

　bat a ～　击球
　catch a ～　接球
　drive a ～　抽球
　drop a ～　丢掉球
　give a ～　传球
　hit a ～　击中球
　hold a ～　拿着球
　kick a ～　踢球
　miss the ～　未接住球
　pass a ～　传球
　shoot a ～　射门
　throw a ～　抛球，扔球
　carry the ～　负起责任
　play ～ with　与…合作
　take up the ～　接着讲话，值班，接替
　curved ～　曲线球
　fair ～　好球
　curve ～　弧圈球
　foul ～　界外球
　leather ～　皮球
　meat ～　肉丸子
　medicine ～　（锻炼身体用的）实心皮球
　rubber ～　皮球
　snow ～　雪球
　tennis ～　网球
　costume ～　化装舞会
　birthday ～　生日舞会
　on the ～　效率高的

　The ball rolled backwards.　那球滚回原处。
　The ball bounced out of bounds.　球弹到了界外。
　The ball curved to the right.　球向右偏斜。
　A cricket ball is solid; it has no air in it.　板球是实心的，里面没有空气。
　He pitched the ball to the other end of the field.　他把球掷到场地的另一端。
　He has pitched his ball into our house.　他将球扔进了我们的房子。
　He knocked the ball out of court.　他把球打出了场外。
　He was pitching the ball.　他正在投球。
　If a footballer handles the ball to stop another player getting it, it is often called professional foul.　如果足球运动员为了阻止别人得到球，就用手触球，这通常称为故意犯规。
　The children tossed the ball to each other.　孩子们把球传来传去。
　Jack centred the ball, Jim got it and kicked it into the goal.　杰克把球传到中路，吉姆接过来把它踢进了球门。
　The centre forward headed the ball into goal.　中锋用头把球顶入球门。
　My father promised me a ball for my birthday.　爸爸答应在我生日时给我一个球。
　The boy gave his father an account of the ball game.　那男孩向他的父亲描述球赛的情况。
　Bring your bat so we can play ball.　带上你的球拍，我们好打球。
　His arm is lame from playing ball.　他打过球后一只手臂僵痛。
　There is a fancy ball tonight.　今晚有化装舞会。
　The school will give a ball at the weekend.　周末学校要举办一个大型晚会。
　I was dressed as a horseman at the ball.　在舞会上我装扮成骑士。
　Please honor us with your presence at the ball.　敬请光临我们的舞会。
　Tonight she will attend a grand ball at the palace.　今晚她将参加王宫的盛大舞会。
　They were invited to a ball.　他们被邀请去参加舞会。
　When does the ball come off?　什么时候举行舞会?
　How did you enjoy the ball?　你在舞会上玩得快乐吗?

 ♣ have a ball
　尽情享乐　enjoy oneself
　When the parents went to work, the kids had a ball at home.　父母上班时，孩子们在家里尽情作乐。
　They all had a ball at the party.　他们在聚会上尽情地玩乐。
 ♣ keep〔set, start〕 the ball rolling
　使…运行　begin sth, such as a conversation or a plan
　My host had very little to talk about, and it was very difficult to keep the ball rolling.　我的主人没有什么话可谈了，因此谈话很难继续下去。
　George started the ball rolling at the party by telling a new joke.　乔治讲了个笑话使晚会开始起来。
　The evening party director started the ball rolling by asking all the participants to introduce themselves.　晚会主持人请每一位来宾自我介绍作为节目的开始。
 ♣ open the ball
　开球，开始行动　begin to do sth
　The chairman opened the ball with a few introductory remarks upon the items on the agenda.　主席先开头，简略地介绍了议事日程上的讨论事项。

 ♣ ball, dance
　ball　指正式的盛大舞会；dance一般为私人举行的小型舞会。例如：
　The ladies were all dressed in long gowns at the ball.　舞会上贵妇人都穿着长礼服。
　They will give a dance for their daughter's birthday.　他们将为女儿的生日举行一次舞会。
 ♣ 下面各组中句子和短语的意思不同：

1. ball还可作动词，意思是“把…捏成球状”，例如：
　He balled the paper into a wad.　他把纸揉成一团。
　The Germans balled themselves into one tight fist.　德国人抱作一团，形成一个握紧的拳头。
2. ball作“球”和“舞会”解其实是两个同音异源异义词。