物证: material evidence...
盛产: to produce in abundance, to be rich in...
追赶: to pursue, to chase after, to accelerate, to catch up with, to overtake...
考虑: to think over, to consider, consideration...
女朋友: girlfriend...
背着: turning one's back to (sth or sb), keeping sth secret from (sb), keeping (one's hands) behind one's back...
只不过: only, merely, nothing but, no more than, it's just that......
卧铺: a bed (on a train), a couchette...
期末: end of term...
清静: quiet, peaceful and quiet...
