If you have a skill, such as cooking, animal husbandry, massage, musical ability or basic carpentry, you can barter for free food and accommodation as you travel.
如果你拥有一项技能，如烹饪，畜牧，按摩，音乐能力或基本木工，你可以以此来为你的旅行交换免费食物和住宿。
If you have a skill, such as cooking, animal husbandry, massage, musical ability or basic carpentry, you can barter for free food and accommodation as you travel.
如果你有一技之长，比如烹饪、饲养动物，按摩，音乐才能活着一些基本的木工活，你就可以拿这些来换免费的食物和住处了。
Research progress of basic principle, research condition, main advantages or disadvantages and their application in animal husbandry of early embryo controlling method were presented in this paper.
文章主要介绍了早期胚胎性别鉴定方法的基本原理、研究现状、优缺点及在畜牧业中的应用，为进一步探讨哺乳动物的性别控制提供参考。
Research progress of basic principle, research condition, main advantages or disadvantages and their application in animal husbandry of early embryo controlling method were presented in this paper.
文章主要介绍了早期胚胎性别鉴定方法的基本原理、研究现状、优缺点及在畜牧业中的应用，为进一步探讨哺乳动物的性别控制提供参考。
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