地下水: groundwater...
背: carry on one's back, to be burdened, to carry on the back or shoulder, learn by heart, the back of the body...
迈进: to step in, to stride forward, to forge ahead...
官员: official (in an organization or government), administrator...
公关: public relations...
痰: phlegm, spittle...
下一代: the next generation...
