to prep.对于；为了；(表示方向)到；向；(表示间接关系)给adv.（表示方向）去；（门）关上
双语例句
用作不及物动词 (vi.)
If the applied bending force is not sufficient to cause permanent plastic flow at either the inner or outer surfaces, the metal will return elastically to its original shape. 如果实际的弯曲力不足以在内表面或外表面引起永久的塑性流动，金属会自动恢复到原来的形状。
Levels of epinephrine and norepinephrine increased significantly after the music therapy sessions but had returned to pretherapy levels 6 weeks after the sessions had been stopped. 肾上腺素和降肾上腺素也在音乐疗程后大量增加，但在疗程结束的六周后即恢复到原来的数量。
