If the current trend continues, black farmers in the United States may be extinct by the end of this decade...如果当前趋势继续发展下去，美国的黑人农民将在这个十年末不复存在。...efforts to build up the prestige of the United Nations...为树立联合国的威望所作的努力I sc...
小男孩羞怯地走上前去握了握利奥的手。The little boy stepped forward timidly and shook Leo's hand.他在表达自己的想法时毫不羞怯。When it comes to expressing himself he is no shrinking violet.她小时候是个羞怯的丑小鸭。She was a shy, ugly duckling of a child....
These are more commonly described as the'labile'metal concentrations.这些通常称之为 “ 不稳定 ” 金属浓度.Such physical entanglements are usually labile.这种物理缠结往往是不稳定的.Have proved to protect from degradation labile molecules su...