Ergocalciferol at high levels also is toxic to chickness.高水平的麦角钙化醇对鸡也是有毒害的.Food additive -- Vitamin D 2 ( Ergocalciferol )GB14755 -1993 食品添加剂维生素D2 ( 麦角钙化醇 )...
海员们还可使用星盘这种仪器确定纬度。Mariners were also able to fix their latitude by using an instrument called astrolabe.海员们还可使用星盘这种仪器确定纬度.Mariners were also able to fix their latitude , by using an instrument called an astrolabe.你的星盘显示,...
每个月的彩池奖金总额达1,350万英镑。Each month the total prize kitty is £13.5 million.这家医院率先使用了分娩池。The hospital has pioneered the use of birthing pools.她起身在洗手池里吐了起来。She got up and was sick in the handbasin....