seal的现在完成时怎么写

The document was authenticated by a seal.文件有印鉴为凭....note paper bearing the Presidential seal...盖有总统印章的便笺Improved injector nozzles seal off better to keep the process leak - free and the molding operation dry.改进了的注射喷头密封更好...

seal的第三人称单数（三单）为：seals...

seal的音标：seal的英式发音音标为：[si:l]seal的美式发音音标为：[sil]...

seal的一般过去时为：sealed...

Soldiers there are going to seal the airport off.那里的士兵将封锁机场。The Redskins punted. Dallas then marched 79 yards to seal the victory.红人队选择了弃踢，达拉斯队随即跑出79码从而锁定胜局。Write your letter and seal it in a blank envelope.信写好后把它装进空白信封里...

n.密封，印章，海豹，封条v.密封，盖章，决定，封上（信封）...

seal的现在进行时为：sealing...

seal的复数形式为：seals...

“有价值”的英语可以翻译为：outvalue，count ...

She often gets chesty in wet weather.在潮湿天气,她经常犯支气管炎....

电子呼吸记录器...

“似的”的拼音为：shì de...

v.偶然碰见，相遇( foregather的过去式和过去分词 )...

n.纤维平滑肌瘤...

path的复数形式为：paths...

n.变速排档...

Your objections are inconsequential and may be disregarded.你的反对意见并不重要,不会受到重视.He had been consulted and had raised no objections.事先征求了他的意见，他并没有提出异议。Despite objections by the White House, the Senate voted today to cut off ...

perm的现在进行时为：perming...

“准星”的英语可以翻译为：sight bead （瞄准用），front sight (of a gun)，post ...

hydrolyzes的音标：...

adj.未损坏的，未受伤害的，无缺...

laboursome的音标：laboursome的英式发音音标为：['leɪbəsəm]laboursome的美式发音音标为：['leɪbəsəm]...

“疏通”的近义词/同义词：疏浚, 沟通, 运动, 疏导, 畅通。...