名词
中文翻译:指示器
同义词:
['beam', 'pointer', 'indicator']
例句:
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1.The teacher pointed the student to the door.
老师指着学生去门口。
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2. The doctor uses a pointer instrument to check the patient's blood pressure.
医生使用指针仪器来检查病人的血压。
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3.The engineer used a pointer instrument to measure the length of the beam.
工程师使用指针仪器来测量梁的长度。