损伤: to harm, to damage, to injure, impairment, loss, disability...
自然界: nature, the natural world...
预售: advance sale, to sell in advance, to book...
猜: to guess...
收买: to purchase, to bribe...
封闭: to seal, to close, to confine, to seal off, to close down, sealed, confined, closed, unreceptive...
放下: to lay down, to put down, to let go of, to relinquish, to set aside, to lower (the blinds etc)...
光碟: optical disc, compact disc, CD, CD-ROM...
酒水: beverage, a drink...
告状: to tell on sb, to complain (to a teacher, a superior etc), to bring a lawsuit...