[] to be similar or close to sth in amount, nature, quality, etc. 近似；接近◆The total cost will approximate 15 million dollars. 总成本将近 1500 万元。◆Output from the plant approximates to one quarter of national requirements. 这厂的产量接近全国需求量的四分之一。
[] to calculate or estimate sth fairly accurately 近似计算；粗略估算◆The time required can be approximated by the following formula. 所需时间可用下列公式粗略估算出来。