...不柔软的 non compliant ;noncompliant 不标准颜色的 off color ;off colored ;off colour ;off coloured ;offcolored ;offcolour ;offcoloured 不欠债 keep her head above water ;keep his head above water ;keep my head above wate...
The researchers suspect that dark coloured birds evolved this silver sheen as a way to show off, while maintaining the benefits of dark coloured feathers.
With skills practised over the course of almost four decades here, he manoeuvres his horse to round up a group of recalcitrant, russet-coloured calves, heading off their meanderings with an authoritative click of his tongue.