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。

• Prepare 2 or 3 1lb-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.