1.Then she took all the documents, threw them into a sealed plastic envelope and tossed them aside.
她把我们的文件收拢在一起，放进一个密封的塑料信封，然后就丢在一边不管了。
2.A huge plastic envelope came down, covering the entire house, and medical teams moved in on the little guy.
一个巨年夜的塑料罩罩了下来，蒙住了整座房子，又有好几支医疗队的人也都是冲着小家伙来的。
3.In case it rains before the motorist returns, the form is put in a little plastic envelope to protect it.
万一下雨之前返回时，车内的形式是放进了一个小的塑料罩罩来保护它。