头虱是稳健成长的抗拒治疗，如果他们已在邻近的非致命性的水平。

Head lice are robust and grow resistant to treatments if they have been in proximity to non-lethal levels.

youdao

头虱是稳健成长的抗拒治疗，如果他们已在邻近的非致命性的水平。

Head lice are robust and grow resistant to treatments if they have been in proximity to non-lethal levels.

youdao