下面的文字是在密封饭盒的包装上的,
Do not use lid or base in the oven,under browning elements or on the stove top.句中under browning elements是什么意思?
Avoid overheating foods high in oil,fat sugar,or tomato contents to prevent permanentstains,pitting or other dangers associated with temperature.句中tomato contents 和pitting是什么意思?