loud hailer
柯林斯词典
1. N-COUNT A loudhailer is a device for making your voice sound louder in the open air. 扩音器[英国英语]
A loudhailer blared warnings of a bomb scare. 扩音器大声播报炸弹恐吓的警告。
返回 loud hailer
1. N-COUNT A loudhailer is a device for making your voice sound louder in the open air. 扩音器[英国英语]
A loudhailer blared warnings of a bomb scare. 扩音器大声播报炸弹恐吓的警告。