Material

It said people should increase the number of chest presses from fifteen to thirty for every two breaths given.

?t s?d ?pip?l ??d ??n?kris e? ?n?mb?r ?v ??st ?pr?s?z fr?m f?f?tin tu ?θ?rdi f?r ??v?ri tu br?θs ?g?v?n.

Gordon Ewy is a heart doctor at the University of Arizona College of Medicine inTucson.

?g?rd?n ?e?vi ?z ? hɑrt ?dɑkt?r ?t e? ?jun??v?rs?ti ?v ??r??zo?n? ?kɑl?? ?v ?m?d?s?n ?n ?tu?sɑn.

He wrote a report that appeared with the study.

hi ro?t ? r??p?rt e?t ??p?rd w?e e? ?st?di.

Facts

/?r/ /?r/ 學習復習/r//o/ improve, hundred, grow

Comments

今天在戶外練習跟讀，凍的臉都麻了，北方的凜凜寒風可能會有助于我們加快語速和練習音標，因為真的有助于固定口型啥的，復習的時候重復/tr/感覺還是不對，怎么辦，明天繼續(xù)求助或者自己扒音頻

Hours

0.3h