1·He spent hours throwing a tennis ball against a wall.
他花了数小时对着一堵墙扔网球。
—— 《柯林斯英汉双解大词典》
2·My father would burst into the kitchen bouncing a tennis ball.
我父亲会拍打着网球闯进厨房。
—— 《柯林斯英汉双解大词典》
3·I spent many hours mindlessly banging a tennis ball against the wall.
我花了好多个小时单调地对着墙打网球。
—— 《柯林斯英汉双解大词典》
4·I have here a tennis ball.
我这里有个网球。
5·This tennis ball has no more bounce.
这个网球已经没有弹力了。
6·Last week a tennis ball hit me on the head, but I tried to ignore the pain, believing that it would go away sooner or later.
上周，一个网球击中了我的头，但我试图忽视疼痛，相信痛感迟早会消失的。
7·This is a table tennis ball.
这是一个乒乓球。
8·So, look at the tennis ball first.
首先，看网球。
9·There is air drag on that tennis ball.
网球受到空气阻力。
10·The largest is the size of a tennis ball.
最大一块有一个网球那么大。
1·He spent hours throwing a tennis ball against a wall.
他花了数小时对着一堵墙扔网球。
—— 《柯林斯英汉双解大词典》
2·My father would burst into the kitchen bouncing a tennis ball.
我父亲会拍打着网球闯进厨房。
—— 《柯林斯英汉双解大词典》
3·I spent many hours mindlessly banging a tennis ball against the wall.
我花了好多个小时单调地对着墙打网球。
—— 《柯林斯英汉双解大词典》
4·I have here a tennis ball.
我这里有个网球。
5·This tennis ball has no more bounce.
这个网球已经没有弹力了。