Whether it ' s in direct sunlight or a hot car, all that heat breaks down the preservatives that are meant to keep bacteria at bay. This fosters bacteria growth in products.

无论是阳光直射还是在热的车里，热量会分解阻碍细菌的保护层，使细菌在化妆品里繁殖。

youdao

He'll leave a gamey piece of goat in this brew for about five days, allowing natural enzymatic action to tenderize the meat, while the marinade keeps bad bacteria at bay.

WSJ: Get Your Goat On

When it dies, it sinks to the bottom of the bay, where bacteria devour it.

FORBES: Emerging Platforms Support Water Trading Around the World

The lactic and acetic acids these bacteria produce help to keep harmful bugs at bay.

BBC: Bacteria may be added to tampons