单词	tie-line
释义	tie-line noun ˈtī-ˌlīn  : a telephone line that directly connects two or more private branch exchanges Word History First Known Use 1923, in the meaning defined above
随便看	cathing cathisma cathismas cathodal cathodally cathode cathode current cathode dark space cathode follower cathode glow cathode ray cathode rays cathode spot cathode-ray oscillograph cathode-ray tube cathodes cathodic cathodic protection cathodically cathodofluorescence cathodographs cathodoluminescence cathodoluminescent cathole catholic

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