求翻译：教学中的幽默来源于教师乐观开朗的心态。教师在教学过程中把这种积极的因素潜移默化地传递给自己的学生，从而使学生能够在轻松的心境中学习减轻了学习的焦虑感集中了注意力，提高了学习效率；同时也使学生养成在面对学习和生活中的困难时保持积极进取的精神状态，养成勇于克服困难的优良品质，从而形成良好的学习和生活态度。是什么意思？

The humor comes from the teachers teaching in the optimistic and cheerful attitude. Teachers in the teaching process to nurture these positive factors to pass to their students, so students can learn in a relaxed state of mind to reduce the anxiety of learning focused attention to improve the learni

Teaching in the optimistic, cheerful humor source on the teachers' mentality. Teachers in the teaching-learning process in such a positive element of the imperceptible to impart to their students, thus enabling students to learn in a relaxed mood, alleviate the anxiety of learning has focused attent

In teaching humorous origin in teacher optimistic open and bright point of view.The teacher transmits subtly in the teaching process this kind of positive factor for own student, thus enabled the student to study in the relaxed mood reduces the s

The humor comes from teachers in the teaching optimistic frame of mind. Teachers in teaching process in the to this actively of factors imperceptibly to passed to own of students, to makes students can in easily of mood in the learning reduce has learning of anxiety sense concentrated has attention,