单词20171129

hobby

[ˈhɑ:bi]

业余爱好; 嗜好，兴趣; 小马;

an activity that a person does for pleasure when not working

造句：

As many as 53 million Americans feed birds as a hobby each year.

每年有多达5300万美国人将喂鸟作为一种业余爱好。