At the end of the letter, seal it in an envelope, write the date to open it on the cover and put it in a safe storage space.
写完信，把它装到信封里，在信封的封面上写上日期，把它妥善保管起来。
When scientists blocked the activity of MEL-28, they discovered that patches of membranes attached themselves to DNA but couldn't seal themselves off into a complete envelope.
当科学家们封闭了MEL - 28的功能后，他们发现这些小块儿的膜与DNA粘附在一起，但并不能使自身密封成一个完整的膜。
The utility model discloses an instantaneous cleaning envelope for postal articles, composed of a cover, a seal lip and a cover lip.
本实用新型公开了一种邮政邮品及时洁信封，它由封套、封舌和盖舌组成。
At last, all the materials should be enclosed in a sealed envelope with your signature across the seal of the envelope.
最后请您将本推荐信和名片一同封入信封并在封口签名后交还给申请人。
Instead, the king sent a runner for fresh water. Placing the fish in the bowl, he presented it to the boy and took them home. The next day came an envelope with the royal seal.
然而，国王派了个快腿的人去取来新鲜水，然后把金鱼放在碗里，把它送给了那个男孩并把他们送回家。
Instead, the king sent a runner for fresh water. Placing the fish in the bowl, he presented it to the boy and took them home. The next day came an envelope with the royal seal.
然而，国王派了个快腿的人去取来新鲜水，然后把金鱼放在碗里，把它送给了那个男孩并把他们送回家。
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