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]...

The areas are sealed off and ringed by troops.这些地区被军队封锁包围了。Helicopters with searchlights swept the park which was sealed off.直升飞机的探照灯来回扫射这个被封锁的公园。Police and troops sealed off the area after the attack.袭击发生后警察和士兵将该区域封锁。...

n.氯乙烯树脂...

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...

v.把…封锁起来，拆封，烫开...

n.猎捕海豹业v.密封( seal的现在分词 )，决定，确定，封上（信封）...

alumiseal的音标：alumiseal的英式发音音标为：[əlju:mi:'si:l]alumiseal的美式发音音标为：[əljumi'sil]...

hypophyseal的音标：hypophyseal的英式发音音标为：[haɪ'pɒfəsi:l]hypophyseal的美式发音音标为：[haɪ'pɒfəsil]...

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

n.封闭层防剥离剂...

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....

螺旋密封...

n.铝密封...

Foamseal的音标：...

desealant的音标：desealant的英式发音音标为：[di:'si:lənt]desealant的美式发音音标为：[di'silənt]...

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....

把…封起来，封住，密封，查封...

seals的音标：...

adj.未知的，密封的v.密封( seal的过去式和过去分词 )，决定，确定，封上（信封）...

n.磷酸盐处理，磷化处理...

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...

seal的一般过去时为：sealed...