原材料引用
CPR combines breathing into the victim's mouth and repeated presses on the chest.
[si-pi-ɑr] [kəmˈbaɪnz] [ˈbriðɪŋ] [ˈɪntu] [ðə] [ˈvɪktəmz] [maʊθ] [ænd] [rɪˈpitɪd] [ˈprɛsəz] [ɑn] [ðə] [ʧɛst].
信息与事实
辅音用来切隔语流
[p] [s]声带不震动
[b][z] 声带震动
[s] 舌头不顶牙齿
感受与评价
[s]和[z]的发音单独发起来不算难,结合词汇和句子的话会经常发串了。
累计的练习小时数:1.5小时。