Warning: file_put_contents(): Only 0 of 6237 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 Hartert例句_Hartert英汉例句_Hartert双解例句_2020年的事情英文词典
Hartert and colleagues studied the medical records of 95,000 infants and their mothers in the state of Tennessee. 她说众所周知,北半球秋天出生的婴儿得哮喘的风险更高,但这研究是第一次把这个趋势与冬季病毒活跃的高峰相联系。