empty medium

基本解释

If you must use a PTFE-lined pan, keep your stove's burner on medium or lower. Also, never preheat an empty pan.
非要使用PTFE（聚四氟乙烯）内衬的平底锅时，应保证炉头处于中等或更低温度。另外，绝对不要预热空无一物的平底锅。
Kraft paper is wrapped and crumpled to fill empty space inside a package with light to medium weight, non-fragile items.
使用牛皮纸包装并使牛皮纸折皱，以填充轻到中等重量、非易碎物品的包裹内的空隙。
Medium the old age appear empty stomach blood sugar damaged should notice prevention bone soft in the meantime.
中老年呈现空肚血糖受损者应同时留意预防骨质松散。