sync point的相关资料：
临近单词
syncope
sync
syncytiotrophoblastic mteropathy
synchro-self-shifting clutch
syncytial reticulum cell sarcoma
synchronization signal generator
synchronization source redundancy
synchronization secondary circuit
syncretism between heaven and man
synchondroses petro-occipitalis
synchronizing frequency convertor
synchronization minimum amplitude
