Antarctic air brought biting cold to southern Chile on Thursday.周四，南极气流给智利南部带来了刺骨的严寒。Because of the extreme cold, the Antarctic is a uniquely fragile environment.极度严寒造成了南极地区绝无仅有的脆弱环境。Scott of the Antarctic was a national...
In recent years, cerebrovascular disease incidence showed younger trend.近几年, 脑血管病发病呈现年轻化趋势.The relation between high - density - lipoprotein cholesterol and ischemic cerebrovascular disease: a clinical study.缺血性脑血管病与高密度脂...
该词可含贬义, 指虚弱或不健康.It may be negative , suggesting weakness or lack of health.可指娇媚温柔的容貌,但也可用于男子,含贬义.Prettybmay suggest a delicate feminine appearance and can be used disapprovingly of men....