Lou Gehrig's disease
noun [ U ] medical US uk/ˌluː ˈɡer.ɪɡz dɪˌziːz/ us/ˌluː ˈɡer.ɪɡz dɪˌziːz/ (also ALS); (UK motor neuron disease)
运动神经元病
a serious disease that affects the nerve cells and causes the muscles to become weaker and smaller