封口的英文：
heal; seal

参考例句：
  • Impulse sealing
    脉冲封口
  • Sealing packing machine
    封口包装机
  • Cop Seal (Shrinkable Films)
    热收缩封口套
  • The(flap of the)envelope was unstuck.
    信封(的封口)没粘住.
  • The flap of the envelope was unstuck.
    信封的封口没粘住。
  • The seal on the jar was broken.
    瓶的封口被打开了。
  • Fasten(the cover,flap,etc of sth)with glue,paste,etc
    (用胶水、浆糊等)粘住(封套、信封口等)
  • The flap of the envelope has come unstuck.
    信封口的黏胶黏不住了。
  • During sealing, printing date, lot No. and mark which are available with clean and perfect looking.
    封口同时印制生产日期及批号、商标,并保证清晰美观。
heal是什么意思：
v. 愈合，治愈；结束，较容易忍受；调停，消除
  • heal the breach
    弥合裂痕,调停
  • A green wound is soon healed
    新伤容易愈合
  • Time heals all sorrows.
    时间可治愈一切悲伤。
  • The wound is healing fast.
    伤口愈合得很快。
  • Time heals most pains.
    时间会消除很多痛苦。
seal是什么意思：
n. 海豹；图案，印章；封印；保证，誓约；标志，象征
v. 保证；密封；确定；盖章；密封
  • A stamp or seal meant to be impressed.
    图章用来盖戳的图章或印章
  • The experience seals their friendship.
    这一经历确定了他们的友谊。
  • Sealing is prohibited in many countries.
    许多国家禁止捕海豹。
  • The probe unit is hermetically sealed.
    探头装置是密封的。
  • It was stored in a tube with a break seal.
    它保存在一个有断裂密封垫的试管里。

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