缩小

1. reduce (in width, size, scope, etc.); lessen; narrow; shrink

♦ ~范围 reduce the scope; narrow the range

♦ 逐步~城乡差别 gradually reduce the distinction between town and country

2. be reduced; shrink

♦ 他的毛衣放到热水里一洗就~了。 His sweater shrank when he washed it in hot water.