voluntarily的反义词
voluntarily 美 ['vɒləntrəli] 英 ['vɒləntrəli] adv.自愿地;自动地;主动地;无偿地 网络:志愿地;自愿的;自发地 例句:For half a century liquor companies have voluntarily kept their ads off the air for the simple reason that it was the right thing to do. 半个世纪以来...