The containers should keep out light. Light can harm the properties of oils and fats.

容器应避光，因为光会损害油脂的特性。

youdao

Use blinds or blackout curtains to keep out light. Switch off or cover anything that emits light, such as an alarm clock.

在睡前灯光越暗越好，最好是一点灯光也没有，用一些黑色的窗帘阻挡灯光，替换所有会吸光的东西，如会发光的钟。

youdao

Keep oils out of direct light.

油要保持避免光的直接照射！

youdao

They would put out sacrifices of food and light fires to keep the spirits from doing any harm to the living.

VOA: special.2010.10.29

Employees who are given a light slap on the wrist for wrongdoings are likely to keep at the behavior or act out even more, she says.

WSJ: For Some Bosses, Tough Love Isn't Easy to Give