If this coloration is absent, loosen the screw caps and place the tubes in a boiling water bath for 10 minutes to drive off the dissolved O2 from the medium.
如果这种颜色变化并不存在，松开管子上的螺旋盖子，同时放在沸水浴中十分钟去驱赶溶在培养基中的氧气。
Place two eggs in a strainer and lower into the boiling water. Cook for exactly 6 minutes, remove and place in an ice bath.
把鸡蛋放入过滤器，再置入沸腾的水，六分钟后取出放入冷水里冷却。
Prepare2 or31 lb-jars and lids by washing well in warm soapy water and rinsing thoroughly. Bath them in a pan of boiling water for a while. Dry the jars.
准备2-3个1磅左右容量的玻璃瓶和盖子，放到加了少许洗涤剂的温水里洗干净透彻后，用热开水浸泡冲洗后晾干。
应用推荐