激素替代治疗非常重要，应该及早开始。Hormone replacement therapy is very important and should be instituted early.激素植入物被用作生长辅助剂.Hormone implants are used as growth boosters.分泌的激素进入到血液中.Hormones are secreted into the bloodstream....
The validity of inferential form is the key conception of logic.推理形式的有效性是逻辑学的核心概念.It can give an objective account of the inferential nature of human communication.它能客观地描述、解释交际过程中的推理过程.Finally, people like to stereotype....