Drying is one of the oldest ways to keep food. If water is removed from food, bacteria(细菌) can’t grow. In ancient times, people in hot countries simply left fruit and meat outside to dry in the sun and the wind until its natural water was all gone. This made the fruit last a...
People have always had to find ways to keep food safe to eat. Methods to dry, smoke and salt food were invented thousands of years ago. This storage method keeps food safe to eat for long periods of time. Today, canning is one of the most popular methods of storing food. Clean fruit...
For thousands of years, people have tried to find ways to keep food for a long time. In the past, this was important as people needed to save food for times like winter.Why doesn't food last long? The problem is that bacteri a (细菌) grow in all food and they make food go bad...
(D)For thousands of years, people have tried to find ways to keep food for long. In the past, this was important as people needed to save food for times like winter.46.The problem is that hacteria(细 ) grow in all food and bacteri a make food go bad. To save food you have to...
Forthousandsofyears,peoplehavetriedtofindwaystokeepfoodforalongtime.Inthepast,thiswasimportantaspeopleneededtosavefoodfortimeslikewinter.Whydoesn'tfoodlastlong?Theproblemisthatbacteria(细菌)growinallfoodandtheymakefoodgobad.Tosavefood,youhavetokillthebacteriaorslowdowntheirgrowth.Therearedifferentwaystodothis....
T his makes a stro ng barrier to keep the air out. In other words, a vacuum is created. When the bottles are co mpletely cool, notes can be placed on them to identify what is inside."(将食物放入玻璃瓶中 后,将沸水倒入瓶中,直至其顶部以下三厘米。 然后将盖子盖在瓶子上,但不要完全拧...
空格前一句Methods to dry, smoke and salt food were invented thousands of years ago.(干燥、烟熏和加盐的方法是几千年前发明的保存食物的方法)讲到了传统保存食物的方法。空格后Today, canning is one of the most popular methods of storing food.(今天,罐头是最流行的储存食物的方法之一)讲到了现代的事物...
People have always had to find ways to keep food safe to eat. Methods to dry, smoke and salt food were invented thousands of years ago. The process of canning is much more recent. This storage method keeps food safe to eat for long periods of time. Today, canning is one of the most...
Drying is one of the oldest ways to keep food. If water is removed from food, bacteria(细菌) can’t grow. In ancient times, people in hot countries simply left fruit and meat outside to dry in the sun and the wind until its natural water was all gone. This made the fruit last a...
多喝水duō hē shuǐto drink more water 补水bǔ shuǐto stay hydrated(Literally "to replenish water")保持身体水分bǎo chí shēn tǐ shuǐ fènto stay hydrated(Literally "to maintain-body-moisture")03. Eat Light It's also a good idea to eat light, cooling food. It's easier for the ...