You should make sure the amount of the cash before
sealing the envelope.
在密封信封之前，你应该确认一下现金的数额。
The physical evidence is kept in sealed plastic bags.
物证保存在密封的塑料袋中。
We sealed a contract last week.
上周我们签了一份合同。
The harbor seal barked loudly, attracting the attention of nearby fishermen.
海豹大声吠叫，引起了附近渔民的注意。
After signing the contract, they affixed their official seals to authenticate it.
签署合同后，他们在上面盖了官方印章以证明其有效性。
The archaeologists discovered ancient clay tablets with seals imprinted on them.
考古学家发现了上面印有印章的古代粘土板。
The envelope was sealed with wax, bearing the royal crest.
邮封用蜡密封，上面刻有皇家徽章。
The new product launch was sealed with a champagne toast.
新产品发布以香槟祝酒的方式宣告正式确定。
The document was sealed and marked "confidential" for security reasons.
由于安全原因，文件被密封并标有“机密”字样。
The oiled leather boots had a distinctive seal that made them water-resistant.
涂油的皮革靴子有一个独特的密封处理，使其具有防水性。
The polar bear's survival is threatened due to the melting of sea ice, their natural habitat.
由于海冰融化，北极熊的自然栖息地受到威胁，它们的生存面临挑战。
The athlete's gold medal achievement was sealed with a victory dance.
运动员的金牌成绩以胜利之舞作为封印。
The treaty between the two nations was sealed with a handshake and a mutual promise to uphold its terms.
两国之间的条约以握手和相互承诺遵守条款的方式达成。