To be perfectly safe, keep them leashed for the first few hours, and feed them separately for the first few days.
要绝对安全，使他们的头几个小时牵引，他们分别为第一和饲料几天。
Now I know that for some people this might be quite a frightening thing to do, but it is perfectly safe.
现在我知道，对一些人来说，这做起来可能是一件相当可怕的事情，但它是完全安全的。
While most over-the-counter herbal supplements are perfectly safe, some of the pills you may be taking could be harmful to your health.
尽管大部分的非处方药草补充剂都是十分安全的，但也有一些药剂服用的话可能会存在副作用。
Advocates assert that growing genetically altered crops can be kinder to the environment and that eating foods from those plants is perfectly safe.
支持者宣称，种植基因改造作物对环境伤害较小，而食用这种农作物制成的食品也完全无害。
Advocates assert that growing genetically altered crops can be kinder to the environment and that eating foods from those plants is perfectly safe.
支持者宣称，种植基因改造作物对环境伤害较小，而食用这种农作物制成的食品也完全无害。
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