他患胆结石.He was ill of gall stone.回肠胆结石梗阻可引起各种明显的临床征象.Obstruction of the ileum by stone leads to distinct clinical pictures.末端回肠充满坚硬细小的灰色结石.The terminal ileum is filled with firm, small, gray concretions....
这些植物必须放置于零度以上光照充足的地方。These plants must be stored in the light at above freezing temperature.一整天气温都在零度以下。The temperature remained below freezing point throughout the day.在南极, 温度很少升到零度以上.In the Antarctic, the temperature r...