When assembling the pie, wet the edges where the two crusts join, to form a seal.

捏合馅饼时，弄湿两块面皮封合的边缘，以形成一个封口。

《柯林斯英汉双解大词典》

A seal popped out of the water below the ship and greeted them on the last day of their stay.

在他们停留的最后一天，一只海豹突然从船下的水中跳出来迎接他们。

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Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.

陆上食物是非常有限的，根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。

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The butler and the housekeeper get a seal ring and ten dollars each.

VOA: special.2011.08.13

and Pembroke area there's a place, "the steps", that if you step on the seal,

在彭布鲁克区，有个地方叫“台阶”，如果你踏在了印记上，

布朗的学生们 - SpeakingMax英语口语达人

This acted as a seal to prevent damage.

VOA: special.2010.08.03

We are killing it as surely as taking a baseball bat to a seal pup.

BBC: Chick Young's view

The Oscar-hungry movie stamps itself with a seal of approval rather than simply telling its story.

NEWYORKER: Seabiscuit

His coat is jet black, which is said to be very unusual for a seal of his kind.

BBC: Black seal pup rescued from Aberdeen beach