jerkier/ˈdʒɝː.ki/形容词忽动忽停的；抽动的，痉挛性的The disease causes sudden jerky movements of the hands and legs.这种疾病会导致手腿突然痉孪。/ˈdʒɝː.ki/名词（条状）肉干beef jerky牛肉干想跟读，去练习
