音标：[si:l]
n. 印章, 封条, 海豹, 海豹皮, 火漆, 封蜡, 玺, 保证, 批准, 象征, 标志
vt. 封闭, 盖印, 盖章
vi. 猎海豹
【医】 熔封, 封闭, 海豹
相关词组:
seal sth off
在线英汉词典
seal的短语、例句：
seal
n animal with flippers that lives near and in the sea and eats fish 海豹.
seal n
1
(a) piece of wax, lead or other soft material, usu stamped with a design and fixed to a document to show that it is genuine, or to a letter, packet, container, etc to prevent it being opened by the wrong person; design stamped in this way 封蜡; 封铅; 火漆; 封条; 封印
The letter bears the seal of the king. 这封信有国王的封印.
(b) piece of metal, ring, etc with an engraved design used for stamping a seal 印章; 图章. => illus 见插图.
2 thing used instead of a seal, eg a paperdisc stuck to a document, or an impression stamped on it 代替封印之物（如纸签或印记）.
3
(a) substance or device used to fill a gap, crack, etc so that gas or fluid cannot enter or escape （用以填充的）密封物质或装置
a rubber seal in the lid of a jar 罐子盖儿里的橡皮密封圈
I´ve bought a seal to put around the edge of the bath. 我买了一种密封胶涂在浴缸边缘上.
(b) closure made by this 密封
The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好.
4 small decorative sticker like a postage stamp, esp one sold in aid of charity 印花贴签（尤指出售以捐助慈善事业的）.
5 (idm 习语) a ,seal of ap`proval formal approval 正式认可
The deal needs the government´s seal of approval. 这一交易需经政府批准. set the seal on sth (fml 文) be the high point in sth; complete sth 为某事物之顶点; 完成某事物
This award has set the seal on a successful stage career. 获此奖标志著舞台生涯成就的顶峰. seal, v
1 [Tn] put a seal2 (1,2) on (eg a legal document) 在（尤指法律文件）上加封或盖印.
2 [Tn, Tn.p]
(a) ~ sth (down) stick down (an envelope, etc) 粘住（信封等）.
(b) ~ sth (up) fasten or close sth securely 封住某物: sealed orders 密封指令
seal the parcel (up) with adhesive tape 用胶带把包裹封住.
(c) ~ sth (up) close tightly or put a substance, etc on sth to stop gas or fluid entering or escaping 将某物密封住
The jar must be well sealed. 这个罐子得封严实了.
Seal (up) the window to prevent draughts. 把窗户封起来以防风.
3 [Tn] coat or surface (sth) with a protective substance, sealant, etc 给（某物）加保护层或面, 或涂上密封胶等
seal the boat´s hull with special paint 给船体涂上特种油漆.
4 [Tn] (fml 文) settle (sth); decide 解决（某事物）; 决定: seal a bargain 成交
Her fate is sealed, ie No one can stop what is going to happen to her. 她的命运已定.
5 (idm 习语) one´s lips are sealed => lip.
6 (phr v) seal sth in keep sth in by sealing 将某物封住
Our foil packets seal the flavour in. 我们用锡纸包装以保持原味. seal sth off prevent anybody or anything entering or leaving (an area, etc) 防止某人或某物进入或离开（某范围等）
Police sealed off all the exits from the building. 警方把建筑物的所有出口都封锁住了.
seal