flapping sound

基本解释

Then I hear a flapping sound; it's near, but it's soft, like a lullaby.
我听见一阵拍打的声响，很近，很轻，就像一首摇篮曲。
Manifestation: Accompanied by the sound of flapping wings and cawing crows, Astaroth manifests as a hideously ugly angel.
显现：伴随着一阵扑翼声和乌鸦的鸣叫。
Oh, from time, cook the hands of the joyful sound of Guochan, flapping in the wind as the sound of the flames, produced a bowl of bowls of love Nepalese-style dishes!
哦，可不，炒菜人手里欢快的锅铲声，随着呼啦啦的火苗声，奏出一碗碗爱尼风味的菜肴！
xuronglaoshi.blog.163.com

Along with the flapping, the robotic bird included a small sound generating system to play authentic calls and swamp noises.
ENGADGET: Alt-week 3.2.13: A mission to Mars, robosparrow and facial recognition in fertility treatment
While the project might sound a little bit gruesome, the research helped gather data to support the hypothesis that wing flapping is often used to deter rivals.
ENGADGET: Alt-week 3.2.13: A mission to Mars, robosparrow and facial recognition in fertility treatment