气温突降.The temperature suddenly dropped.图表上的曲线突降之后逐渐趋于平稳.The graph flattens out gradually after a steep fall.在这次气温突降时节,要保证孩子们穿得暖和.Be sure the children are wrapped up in this sudden cold weather....
All slanders and libels should be repudiated.一切诬蔑不实之词,应予推倒.The Prime Minister has repudiated racist remarks made by a member of the Conservative Party.首相已经驳斥了一个保守党成员的种族主义言论。He repudiated his first wife and married her si...
It is compulsory for all motorcyclists to wear helmets.所有骑摩托车的人都必须戴头盔，这是强制性的。The shop at the corner of the street sells helmets.街道拐角那家商店出售安全帽.Protective helmets must be worn on site.在工地必须戴防护帽....