原材料引用(Material):
The condition is called cardiac arrest.
ðə kənˈdɪʃən əz kɔld ˈkɑrdiˌæk əˈrɛst
信息和事实(Facts):
cardiac arrest, also known as cardiopulmonary arrest or circulatory arrest, is sudden stop in effective blood circulation due to the failure of the heart to contract effectively or at all.
[ʃ]
1.舌端抬起,靠近齿龈后部,但不要贴住
2.舍身抬起,靠近上颚,形成一条狭长的通道,气流通过通道时摩擦成音;
3.双唇向前突出,声带不振动
[ʒ]
发音与ʃ相似,不同点是声带要振动
[k]
1.首先舌后部隆起,紧贴软腭,憋住气
2.然后舌后部迅速降低,使气流冲出口腔
3.发音时,声带不振动
感受与评价(Comments):
[ʃ]与中文sh相似,但有细微区别,[ʃ]需要噘嘴,不需声带振动,而sh读起来感觉比较用力。
[ʒ]:有点像中文r,但也要噘嘴,中文r 不需噘嘴,也不用声带振动
统计累计的练习小时数(Hours):
2h