seal的现在完成时怎么写

n.密封，印章，海豹，封条v.密封，盖章，决定，封上（信封）...

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...

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的复数形式为：seals...

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...

seal的现在进行时为：sealing...

“建”的拼音为：jiàn...

cover for的音标：cover for的英式发音音标为：['kʌvə fɔ:]cover for的美式发音音标为：['kʌvɚ fɔr]...

Increase the neutrophilic granulocyte count after bone marrow transplantation.促进骨髓移植后中性粒细胞计数增加.Method: Ultrastructure in ovary granulocyte of menopausal rat was observed with optical microscope and electric microscope.方法...

利用金相及电子探针技术探讨了迭轧钢板表面粘板的原因.This paper approaches the cause for the surface adhesion of the pack - rolled plate....

二十六...

borrower的音标：borrower的英式发音音标为：['bɒrəʊə(r)]borrower的美式发音音标为：['bɑroʊə(r)]...

adj.不偏不倚的，公平的，公正的，无私的，持平...

Spain's top priority is the signing of an EMU treaty.西班牙的当务之急是签署《欧洲经济和货币联盟条约》。Protection of sites, habitats and landscapes is of uppermost priority.保护遗址、栖息地和风景区是重中之重。Priority will be given to those who apply early.早...

“迄今”的英语可以翻译为：so far，up to now，to this day，to date，heretofore ...

支气管成形术...

n.装饰，装饰品...

Management is confident about the way business is progressing.管理层对业务发展的态势充满信心。Soon they found their scientific reseaches were not progressing smoothly.不久他们发现他们的科学研究工作进展得并不顺利.The work is progressing steadily.工作在稳步地取得进展....

centralab的音标：centralab的英式发音音标为：['sentrəlæb]centralab的美式发音音标为：['sentrəlæb]...

euphory的音标：euphory的英式发音音标为：['ju:fərɪ]euphory的美式发音音标为：['jufərɪ]...

“同盟者”的反义词：反对者。...