还可引入三个缺陷能级:氧空位E_ 1(E_ c - 0.17ev) 、 双空位E_2 ( E_ c-0.23eV ) 和E_3(E_c-0.39eV).The resultsdemonstrat that three electron trape ( E _ c - 0.17 eV , E _ c - 0.23 eV, E _ c - 0.39 eV ) produced inp ￣ + nn ￣ + structures are ch...
Fred leaned back in his chair, scorning to look eager.费莱德靠在椅背上, 装得若无其事.What man is like Job, who drinketh up scorning like water?谁像约伯, 喝讥诮如同喝水 呢 .After scorning comes catching.笑人者,落人笑....
He waited several minutes for a car to pull up alongside.他等了几分钟，直到一辆汽车靠边停下。Pull up a chair and dig in!拉把椅子过来开吃吧！Please pull up a chair and join the conversation.请拿过把椅子来一起聊天....
电梯嘎吱一声停在了一层。The elevator creaked to a halt at the ground floor.她胳膊下侧有一层肥肉一颤一颤的。A roll of fat jiggled on the underside of her arm.池塘表面有一层黏腻腻的污泥。There was an unappealing film of slime on top of the pond....