1. Reynolds loosened his hand on my collar. 雷诺兹松手放开了我的衣领。
2. The field weakened the electrostatic force and enabled the loosened electron to tunnel out, as quantum particles can do when confronted with a thin barrier. 该电场削弱了静电力并且使键结松散的电子因穿隧而离开，就如同量子粒子遭遇较薄的屏障时那样。
3. A compassionate person, seeing a butterfly struggling to free itself from its cocoon, and wanting to help, very gently loosened the filaments to form an opening. 有个很富有同情心的人，看到一只蝴蝶拼命挣扎想从茧里脱出，就帮了个忙，轻轻地将茧丝拉开一个缺口。
