sealer
sealer — 名詞
1. a liquid or paste you spread over a surface as a protective finish that keeps ou
密封劑
塗在表面防止水氣灰塵滲入的物質
a liquid or paste you spread over a surface as a protective finish that keeps out moisture, air, and dust
Before painting the wooden fence, Heloísa applied a sealer to protect it from rain and sunlight.
在油漆木柵欄之前，Heloísa 塗了一層密封劑，以保護它免受雨水和陽光的損害。
applied + sealer + purpose clause (to protect)
Amihan used a concrete sealer on the basement floor to keep moisture from seeping through.
Amihan 在地下室地板塗了混凝土密封劑，以防止濕氣滲出。
concrete sealer — typical collocation
Otis waited two hours after putting on the sealer before adding the final coat of paint.
Otis 在塗上密封劑後等了兩個小時，才刷上最後一道油漆。
The painter told Brooke that a good wood sealer stops varnish from soaking into the grain.
油漆工告訴 Brooke，好的木材密封劑可以防止亮光漆滲入木紋中。
wood sealer + stops [something] from [verb]-ing
- apply a sealer
- concrete sealer
- wood sealer
- paint sealer
- coat of sealer
用法筆記
Often used in DIY and construction contexts. Compare with 'sealant', which is a broader category that includes sealers as well as fillers.
常見錯誤
❗ 'Apply some sealant on the wood before painting.' ✅ 'Apply a wood sealer before painting.' — 'Sealer' is a specific type of sealant for surface protection; 'sealant' is more general.
2. someone whose work is catching seals to sell their fur, oil, or meat, or a boat
海豹獵人
捕獵海豹的人或船隻
someone whose work is catching seals to sell their fur, oil, or meat, or a boat used for this purpose
Kabir sailed north every spring to work as a sealer along the icy coast of Greenland.
Kabir 每年春天向北航行，在格陵蘭冰封的海岸擔任海豹獵人。
as a sealer — role noun with preposition 'as'
The old sealer reached the harbour at dawn, ready to follow the seal migration route.
那艘老舊的獵豹船在黎明時抵達港口，準備跟著海豹遷徙路線前進。
A small crew of sealers spent the winter living on the frozen sea near the pack ice.
一組小型海豹獵人團隊在浮冰附近的海冰上度過了整個冬天。
crew of sealers — collective noun pattern
During the long Arctic winter, each sealer repaired nets and prepared equipment for the spring hunt.
在漫長的北極冬季裡，每位海豹獵人都忙著修補漁網、準備春天出航所需的裝備。
- sealer ship
- sealer crew
- work as a sealer
- seal hunter
more explicit and more common in modern English
用法筆記
This sense is becoming less common in modern use as commercial seal hunting has declined. It may appear mainly in historical texts or discussions of indigenous Arctic communities.
常見錯誤
❗ 'The sealer swam in the water.' ✅ 'The seal swam in the water.' — 'Sealer' is the person who hunts seals, not the animal itself.
3. an official whose job is to examine documents, products, or processes, and then
驗證官
負責檢查文件並蓋章認證的官員
an official whose job is to examine documents, products, or processes, and then put an official stamp or mark on them to show they meet the required standards
The court appointed Gabriel as a sealer to verify that every page of the contract had been properly stamped.
法院指派 Gabriel 擔任驗證官，確認合約的每一頁都蓋了正確的章。
appointed as a sealer — passive construction for official roles
Selim inspected each cargo document as a government sealer at the port authority.
Selim 在港務局擔任政府驗證官，檢查每一批貨物的文件。
government sealer — official title
The museum archivist acted as a sealer, placing the official wax emblem on each restored scroll.
博物館的檔案管理員擔任驗證官，在每一份修復完成的卷軸上蓋上官方蠟印。
A certified sealer must pass an examination before being allowed to stamp official documents.
合格的驗證官必須通過考試，才能獲准在官方文件上蓋章。
certified sealer — required qualification
- government sealer
- court sealer
- appoint a sealer
- sealer of documents
用法筆記
A formal or legal role. The specific duties vary by country and context. In some historical settings the sealer also kept a physical stamp or seal to mark approved items.
常見錯誤
❗ 'The notary sealed the contract as a sealer.' ✅ 'A sealer must certify that the documents meet the official standard, while a notary only witnesses signatures.' — Sealer and notary have different legal functions.