Which is heavier: a bowling ball or soccer ball?

译句： 哪个较重：保龄球还是足球？   

答案： a bowling ball

词汇：

heavier /'hɛvɪɚ/ adj. 沉重的,巨大的

[例句]：

• The rain became heavier and heavier.

   雨下得越来越大。

• My brother is much heavier than me.

   我弟弟比我重得多。

• Iron is heavier than wood.

   铁比木头重。

bowling /ˈboʊlɪŋ/

n. 保龄球

v. 打保龄球（bowl的现在分词）

[近义词]：

n. game, throw, playing

[惯用语]：

bowling alley 保龄球馆

bowling ball 保龄球

bowling green 草地保龄球场；

[例句]：

• Why don't you go to a bowling alley?

   你为什么不去保龄球馆？

• A bowling ball is large, hard and heavy.

    保龄球又大，又硬，又重。

• Some people like ballet, others like bowling.

   有人喜欢芭蕾，有人喜欢保龄球。

soccer /'sɑkɚ/ n. 足球，英式足球

[近义词]：n. football, football game

[惯用语]：

play soccer 踢足球

soccer player 足球运动员

soccer field 足球场

[例句]：

• He used to be one of the world’s top soccer players.

   他曾经是世界顶尖的足球运动员之一。

• Let's play soccer after school.

   放学后我们去踢足球吧。