blood serum group的用法和樣例：
例句
- To the dog pathogenesis is the hemorrhagic yellow helicoid and the dog hook end helicoid two blood serums.
對狗致病的是出血性黃疸螺旋體和犬鉤端螺旋體兩個血清型。 - Due to various kinds of AIV blood serums, and complicated epidemic situations, early detection and rapid diagnosis is the premise to prevent and control AI.
由於禽流感病毒血清型眾多，致病疫情多樣，因此，適時的檢測和早期快速診斷是預防和控制禽流感的前提條件。
