Analysis of a New Type Active Noise Cancellation Earmuffs.
一种新型有源消声耳罩的研究。

A New Type of Active Noise Cancellation Earmuffs
基于飞行保护头盔的主动消声研究

The design of an adaptive earmuffs for artilleryman.
炮兵自适应护耳器的设计

Machine operators shall be provided with protective apparatus including earmuffs and antidust aspirators.
同时为机械操作人员装备隔声，防尘的劳动保护用品。

Both sides have succeeded in making muffs of themselves.
双方都出了洋相。

Its an amalgam slightly disarmed by pastelcolored earmuffs, but Sean is still clearly not to be messed with.
卸下淡彩色御寒耳罩，不过肖恩显然仍没有受到干扰。

Put your earmuffs on, it's freezing out there.
外面冰天冻地的，把你的防寒耳罩戴上。