At first, they tried to use concrete to seal it up.

起初，他们试图用混凝土将漏洞封住。

youdao

"I didn't seal it up," she snapped. "it was snowing yesterday when I came out of the Hallmark store."

“我没有封起来，”她厉声答道，“昨天，我从霍马克出来时正下雪。”

youdao

Seal it up. Don't give people a sense that they can imitate the experience and walk in the steps of the people who were there.

把它封存起来。不要给人一种感觉他们能够模仿这里的经验和重蹈这里的人曾经走过的路。

youdao

When a person defaults on a mortgage, the bank hires a company such as Safeguard to go to the home and seal it up.

NPR: Business Booms For Foreclosure Contractors

It is my prediction we will never know the whole story because it is not in the interest of JP Morgan Chase to try the case, but to pay as little as it has to in order to seal it up forever.

FORBES: JP Morgan Chase Had No "Actual Knowledge" Madoff Was A Crook

And it turns out that if producers would actually seal up those leaks, not only would it be great for the environment, but they'd also make money because that's money going out of their pockets from all those leaks.

WHITEHOUSE: President Obama Holds Town Hall in New Orleans