牢的英文：
firm
fast

參考例句：
  • He had been caged for three years for committing rape.
    他因犯強(qiáng)奸罪而坐了3年的牢。
  • To secure or make fast(a rope, for example) by winding on a cleat or pin.
    系住用（如繩子）系在楔或拴上以固定或弄牢
  • Make sure the graphic card is seated properly in its expansion slot.
    再檢查圖形卡是否在擴(kuò)展槽中插牢。
  • The buzzer interrupts their thoughts as the cell doors in A-Wing slide open.
    蜂鳴器的響聲打斷了他們的思緒，A區(qū)的牢房門打開了。
  • At the same time he ordered Hephaestus to lock the Titan's chains-in a cunning way that only Hephaestus knew.
    同時(shí)他又命令赫菲斯托斯用一種只有赫菲斯托斯知道的巧妙方法鎖牢鐵鏈。
  • The stars in the sky are few and scattered
    天星牢落
  • To fix in place or tighten with a wedge.
    把…楔住，把…楔牢
  • Defect: Weak Welds
    缺陷:焊接不牢
  • The door wont fasten
    這門關(guān)不牢。
  • The door is secured with bolts.
    門已閂牢了。

firm是什么意思：
n. 商號(hào)；企業(yè)
adj. 堅(jiān)定的；堅(jiān)固的；強(qiáng)有力的；確定的；堅(jiān)挺的；嚴(yán)格的
v. （使）堅(jiān)固；變堅(jiān)實(shí)；加強(qiáng)；使堅(jiān)定；回升
adv. 堅(jiān)定地
  • Are the firm's finances sound?
    這家公司的財(cái)務(wù)狀況可靠嗎?
  • His step was not as sharp and firm.
    他的腳步不再像從前那樣敏捷、堅(jiān)實(shí)。
  • To become firm or gelatinous; congeal.
    凝固凝結(jié)或變硬；凍結(jié)

fast是什么意思：
adj. 快速的；緊的，穩(wěn)固的；不退色的；驕奢淫逸的
adv. 迅速地；緊緊地；徹底地
v. 禁食，齋戒
n. 禁食（期），齋戒（期）
  • This is a fast delivery.
    這是一個(gè)快投球。
  • He runs as fast as Paul.
    他跑得和保羅一樣快。
  • Run as fast as you can.
    你能跑多快就跑多快。

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