为了避免铅中毒，用来装水的容易要用一种特殊的材料，即所谓的食品级材料，。 货柜您使用的需要作出从一个特殊的物质，所谓食品级，为了避免泄漏的问题。
The container you use needs to be made from a special material, called food grade, in order to avoid leaking problems.
最后一个问题。那里规定穿正装吗？
它需要一只蜂蜜罐来装它的蜂蜜。这只猴子有一个问题。你看出来了么？
The rabbit needs a cart for his carrots. The kangaroo has a problem. Do you see what it is?
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