warning bells

同根派生

• warning bells相关词

英汉例句

• The warning bell began to ring furiously.
  警铃开始使劲响起来。
• No bells rang, no ice crystals appeared on the bulkheads, nothing changed.
  既没有警铃响起，也没有冰晶在隔水舱壁上凝结，一切如常。

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