重 点

seal

/siːl/
When you seal an envelope, you close it by folding part of it over and sticking it down, so that it cannot be opened without being torn. 封 (信封)

noun [专属名词] 印章,图章;表示确认的事物;密封装置,密封物;密封,密封状态;水止,水封(根据排污管道深度U形管中防止臭气上升的存水);封蜡,火漆;封蜡模(印),封铅模(印);海豹;海豹皮;装饰性的背面涂胶水的邮票(印花);(美国海军)海豹特种部队士兵(SEAL)

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。

verb [vt. 及物动词] 封上(信封);密封(容器);确定,使成定局;给……涂上保护层;(给文件)加封,盖印;封锁;(为避免烹调时失去过多水分,将食物放在热油中)快速煎炸;猎捕海豹

He sealed the envelope and put on a stamp. 他封好信封,贴了张邮票。

noun [专属名词] 【名】 (Seal)西尔(人名)

The leak was eventually traced to a broken seal. 最后查出泄漏是由于密封处破裂所致。

后缀: al 【adjective】 表示具有某种性质的 - indicating pertaining to or characterized by 原词: seal 是通过后缀 【al】 构成的派生词
sea(海洋) + l(看做love, 爱) → 喜欢海洋的动物 → 海豹
单词造句:
网友用 “Seal” 造句精选
Police and troops sealed off the area after the attack. 警察和军队在袭击发生后封锁了该地区。
He broke the wax seal and unrolled the paper. 他揭去封蜡,把纸卷展开。
A woman picks them up and seals them in plastic bags. 一位女士拣起它们,然后把它们封入各塑料袋中。
...a supply of note paper bearing the presidential seal. …一批盖有总统印章的便条纸。
A general election will be held which will seal his destiny one way or the other. 一场将左右他命运的大选即将举行。
Write your letter and seal it in a blank envelope. 写好你的信,然后将其封入一个空信封。
Check seals on fridges and freezers regularly. 定期检查冰箱和冰柜的密封装置。
The soldiers were deployed to help paramilitary police seal the border. 这些士兵们被调去协助准军事警察封锁边境。

seal 的重要知识点

seal 海豹 The seal gracefully glided through the water. 海豹在水中优雅地滑行。
manatee 海牛 Manatees are gentle giants of the sea, often called "sea cows." 海牛是海洋中温柔的巨兽,常被称为“海牛”。
sea lion 海狮 The sea lion balanced a ball on its nose at the show. 海狮在表演中用鼻子顶着球。
walrus 海象 The walrus used its long tusks to pull itself onto the ice. 海象用它长长的獠牙把自己拉到冰上。
dugong 儒艮 The dugong is a marine mammal related to the manatee. 儒艮是一种与海牛有关的海洋哺乳动物。
narwhal 独角鲸 The narwhal is known for its distinctive long, spiraling tusk. 独角鲸以其独特的长而螺旋状的独角而闻名。
beluga whale 白鲸 The beluga whale is a white whale found in Arctic and sub-Arctic waters. 白鲸是一种生活在北极和亚北极水域的白色鲸鱼。
dolphin 海豚 Dolphins are highly intelligent marine mammals known for their playful behavior. 海豚是高度聪明的海洋哺乳动物,以其顽皮的行为而闻名。
porpoise 鼠海豚 Porpoises are smaller and have a more triangular dorsal fin than dolphins. 鼠海豚比海豚小,背鳍更呈三角形。
orca / killer whale 虎鲸 The orca, also known as the killer whale, is a powerful ocean predator. 虎鲸,也被称为杀人鲸,是一种强大的海洋捕食者。
humpback whale 座头鲸 Humpback whales are famous for their elaborate songs. 座头鲸以其复杂的歌声而闻名。