At the same time periodontal health rate also worrying: young and middle-aged gum bleeds for seventy-seven point three percent detection rate, periodontal health rate only less than fifteen percent.
同时牙周健康率也令人担忧：中青年牙龈出血检出率为百分之七十七点三，牙周健康率仅不到百分之十五。
South Korea's economy expanded two-point-three percent in the last quarter and consumer confidence rebounded to a seven-year high in August.
韩国经济上一季度增长了2.3%，消费者信心8月份反弹至7年以来的最高点。
It first appears in the fossil records we have about six-point-three million years ago and probably only disappeared for good around two hundred thousand years ago.
它第一次出现在化石纪录中是630万年前，并且消失的时间大概在20万年前。
It first appears in the fossil records we have about six-point-three million years ago and probably only disappeared for good around two hundred thousand years ago.
它第一次出现在化石纪录中是630万年前，并且消失的时间大概在20万年前。
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