adv.在（某人或某事物的）前面；向前；预先；在将来，为未来 双语释义：adv.(副词)向前面，在前面 further forward in space or time; in front提前；预先 earlier; in advance; before a time or event占优势；领先 winning; further advanced; in or into future英英释义： aheadadj.having the leading position or higher score in