How had Hepzibah—grim, silent, and irresponsive to her overflow of cordial sentiment—contrived to win so much love?

Hepzibah——冷酷、沉默、对她满溢的亲切情感反应迟钝——是法赢得此多的爱的？

So exposing these bacteria to inefficient doses or incomplete doses of antibiotics only teases the bacteria in a way, and it allows it to develop mechanisms to become irresponsive to these antibiotics.

因此， 将这些细菌暴露于充完全的抗生素剂量下， 某种程度上只是挑逗了细菌，使其有机会发展出对这些抗生素产生抗药性的机制。