若干: a certain number or amount, how many， how much?...
抵挡: to resist, to hold back, to stop, to ward off, to withstand...
自豪: proud (of one's achievements etc)...
涉及: to involve, to touch upon (a topic)...
坏处: harm, troubles...
略微: a little bit, slightly...
物体: object, body, substance...
清洁工: cleaner, janitor, garbage collector...
电影院: cinema, movie theater...
炒作: to hype, to promote (in the media)...
