释义 |
double-fault 英'dʌbl fɔːlt美'dʌbl fɔːlt 基本英英搭配 网球两次发球失误三单double-faults过去分词double-faulted现在分词double-faulting 名词 double fault: tennis two successive faults in serving resulting in the loss of the pointdouble fault两次发球失误…double ground fault双接地故障double line ground fault双线接地故障…double fault indicator relay复式故障指示继电器… |