Warning: file_put_contents(): Only 0 of 5147 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/73904.com/index.php on line 55 balkiest例句_balkiest英汉例句_balkiest双解例句_骑士汉英词典
The rampant overuse bred ever stronger resistance by wiping out weaker strains that otherwise might compete with the drug- resistant variants, leaving only the balkiest bugs to take hold. FORBES: On The Cover/Top Stories