zero
UK ['zɪə.rəʊ] US ['zɪr.oʊ] number (plural zeros or zeroes)
ADVANCED countable or uncountable
■(the number) 0; nothing （数字）零；没有，全无•Five, four, three, two, one, zero.5，4，3，2，1，0。 •The number one million is written with a one and six zeroes (mainly UK alsonoughts).数字100万要写一个1和六个0。 •Heavy rain has reduced visibility almost to zero (= its lowest point).大雨已使能见度降到最低。 ADVANCED uncountable
■on a set of numbers for comparing temperature in degrees Celsius, the level of temperature at which water freezes 零（摄氏）度•The temperature is expected to drop to ten degrees below zero tonight.今晚气温预计会降至零下十度。
UK ['zɪə.rəʊ] US ['zɪr.oʊ] adjective
■not any or no 全无的，没有的•zero growth/inflation零增长／通货膨胀 •informal He said that his chances of getting the job were zero (= he had no chance).他说他得到这份工作的可能性为零。
UK ['zɪə.rəʊ] US ['zɪr.oʊ] verb
Phrasal Verbs zero in on sth/sb
■to aim a weapon directly at something or someone （把武器）瞄准…，瞄向…•Modern military aircraft use computers to help them zero in on their targets.现代军用飞机运用电脑来帮助瞄准目标。
UK ['zɪə.rəʊ] US ['zɪr.oʊ] verb
Phrasal Verbs zero in on sth
■to direct all your attention towards a particular thing 把注意力全部集中于•We must decide on our target market, then zero in on it.我们必须确定目标市场，然后将其锁定。 |