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ring off ['rɪŋ'ɔf]
gen. 挂电话; 挂断电话; 停止讲话; 住嘴; 离开
telecom. 话终; 话终振铃
ring-off
tech. 拧开 (钻头或钻杆)
ring off: 6 phrases in 2 subjects
Space1
Technology5