一片黄瓜掉到了地上。你会立刻把它扔进垃圾桶，还是相信流传已久的“5秒定律”，觉得简单冲洗一下就能继续吃？但研究表明，细菌几乎会在瞬间转移到食物上，而且还能在表面存活数小时。

You drop a piece of cucumber on the floor.Do you immediately throw it in the bin or reassure yourself of the age-old "five-second rule" and reckon it's fine to pop it in your mouth after a quick rinse? But recent studies show that bacteria can transfer almost immediately - and sticks around for hours.

#生活手记[超话]##晨读#