1704957271
You’ll save electricity by turning off lights not in use.把不用的灯关掉可以省电。
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safe为形容词,表示“安全的”、“平安的”:
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The streets aren’t safe at night.街上晚间不安全。
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They all wished him a safe journey.他们都祝他一路平安。
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The sooner we operate now the safer.现在越早动手术越安全。
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safety为名词,表示“安全”:
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He was anxious about the safety of the children.他对孩子们的安全感到忧虑。
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You had better lock the door for safety’s sake.为了安全你最好把门锁上。
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Safety first!安全第一!
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可构成许多合成词:
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safety belt 安全带
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safety pin 别针
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safety razor 安全剃刀
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safety island 安全岛
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safety lamp 安全灯
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safety valve 安全阀门
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789 say—tell—speak—talk
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say多作及物动词,表示“说”,主要跟从句或引语:
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She said he was a man of immense capacity.她说他是一个有极大能量的人。
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Whether this is true or not, I cannot say.这是否属实我说不上来。
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“Please hurry,” she said.她说:“请赶快。”
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有时跟名词或代词:
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He said good night and went on.他说了再见,接着往前走。
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How dare you say such a thing to me?你怎么敢对我说这样的话?
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What did you say?你说什么?
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