翻译是：
It will take her half an hour to walk there
She will spend half an hour walking there
句型sb spends some time (in) doing sth=it takes sb some time to do sth
翻译是：
It will take her half an hour to walk there
She will spend half an hour walking there
句型sb spends some time (in) doing sth=it takes sb some time to do sth