名词
中文翻译：紧急呼叫按钮
同义词：
['紧急呼叫按钮，紧急呼叫开关，紧急呼叫按钮例句：1. The emergency call-on button is located on the wall next to the door.（紧急呼叫按钮位于门旁边的墙上。）']
例句：
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1. The emergency call-on button is located on the wall next to the door.
紧急呼叫按钮位于门旁边的墙上。
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2.The doctor's office has a special button for emergency calls.
医生办公室有一个特殊的紧急呼叫按钮。
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3. When you press the emergency call-on button, it will alert the fire department.
当你按下紧急呼叫按钮时，它会通知消防部门。