be resistant to 托福

1.Many pests are resistant to the insecticide.

许多害虫对这种杀虫剂有抵抗力。

2.This new type of infection is resistant to antibiotics.

这种新传染病对抗菌素有抗药力。

3.Results show that hydrogen-rich macerals are disintegrated while other macerals like fusain, and exinite are resistant to disintegration.

富氢煤的显微组被解，而丝炭和角质等煤的显微组难解。

4.Drug sensitivity test showed that it was sensitive to ciprofloxacin, novobiocin, gentamycin and it was resistant to penicillin G, cefalexin, sulffadiazine sodium.

对青霉素G、头孢氨苄、磺胺嘧啶钠有耐药性。