保证，证明...

seals的音标：...

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

密封剂...

heatsealing的音标：heatsealing的英式发音音标为：[hi:t'si:lɪŋ]heatsealing的美式发音音标为：[hit'silɪŋ]...

n.气封（法）...

sealing的音标：sealing的英式发音音标为：['si:lɪŋ]sealing的美式发音音标为：['silɪŋ]...

Clubbing baby seals to death for their pelts is wrong.为了获得海豹皮而用棍棒打死幼海豹是不道德的。Check seals on fridges and freezers regularly.定期检查冰箱和冷冻柜的密封装置。They saw many seals off the Coast of Alaska.他们在阿拉斯加海岸外看见很多海豹....

seal的一般过去时为：sealed...

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

koroseal的音标：koroseal的英式发音音标为：['kɔ:rəsi:l]koroseal的美式发音音标为：['kɔrəsil]...

Conclusion: The pit and fissure sealant have significant preventive effect on carious teeth.结论: 窝沟封闭能有效预防窝沟龋的发生.A universal UV sealant to protect all acrylics, wraps and gels.保护所有水晶甲 、 假甲和凝胶甲的常用紫外线光疗密封剂.Conclusion: Fibri...

A woman picks them up and seals them in plastic bags.一个女人把它们捡起来放入几只密封的塑料袋中。Seals basked on boulders in a flat calm.海面风平浪静，海豹在巨石上晒太阳。The seals feed mainly on fish and squid.海豹主要以鱼和乌贼为食.Protestors banged on the sides of th...

v.把…封锁起来，拆封，烫开...

富姆泡沫止水剂...

A glass or quartz tube has tungsten electrodes sealed in each end.两根钨丝电极是封在玻璃管或石英管的两端.She sealed the letter.她把信封上了。The milk was sterilized and sealed in bottles.牛奶经过灭菌处理后被封装在瓶子里。She merely filled the containers, sealed t...

Equipping with sealing system, enabling to cut strips precisely.●设有对边系统, 提供精密分条.Specially - designed discharger door sealing system has good tightness, ensuring no products leakage.特殊设计的排料门密封系统,密封性好, 不漏料.McLaren are clos...

seal的复数形式为：seals...

n.海豹( seal的名词复数 )，批准，（火漆）封印，印章v.密封( seal的第三人称单数 )，决定，确定，封上（信封）...

The best wines are entitled to a numbered seal of quality.上等葡萄酒可以盖上带编号的优质产品印章。Ministers have put their seal of approval on the proposal.部长们已经批准了该提案。The letter bears the seal of the king.这封信有国王的封印....

热焊接...

granosealing的音标：granosealing的英式发音音标为：['grænəʊsi:lɪŋ]granosealing的美式发音音标为：['grænoʊsilɪŋ]...

Seal up one end of a glass tube about 34 inches long.把长约34英寸的玻璃管的一端封闭起来.We seal up the windows when winter comes.冬天来临时,我们密封窗户.Seal ( up ) the window to prevent draughts.把窗户封起来以防风....