名词
中文翻译：Unknown
同义词：
['lancet', 'clock', 'pendulum']
例句：
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1. The lancet-shaped clock on the wall is very beautiful.
墙上那个枪状的钟非常漂亮。
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2. The clock has a lancet-shaped pendulum that swings back and forth.
这个钟有一个枪状的摆，来回摆动。
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3. The lancet-shaped pendulum of the clock is used to indicate time.
钟上的枪状摆用来指示时间。