单词 | zero |
释义 | zero['ziərəu]n. 零, 零点, 零度, 无, 乌有, 最低点a. 零的, 没有的vt. 调零, 对(炮火等)作协调校正【计】 零【医】 零, 零度相关词组:to zero in...to zero in on... zero ze.ro AHD: [zîr“½, z¶“r½] D.J. [6z!*r*&, 6zi8r*&]K.K. [6z!ro, 6ziro]n.(名词) 【复数】 ze.ros 或 ze.roes 缩写 z.1. The numerical symbol 0; a cipher.0:数字符号0;零2. Mathematics 【数学】 3. An element of a set that when added to any other element in the set produces a sum identical with the element to which it is added.零元素:集合中的一个元素,当它加上集合中的任何一个元素时,得到的数值等于被加元素值4. A cardinal number indicating the absence of any or all units under consideration.零:基数,表示在考虑下不存在的任一或所有的单位5. An ordinal number indicating an initial point or origin.零:序数中表示最初的点或原点6. An argument at which the value of a function vanishes.(坐标的)起点:函数自变量的值等于零7. The temperature indicated by the numeral 0 on a thermometer.零度:温度计上数字0所示的温度8. A sight setting that enables a firearm to shoot on target.瞄准仪:一种能使火器射中靶子的、用来调整准度的仪器9. Informal One having no influence or importance; a nonentity:【非正式用语】 无足轻重的人:没有影响力或无足轻重的人;不足取的人:a manager who was a total zero.一个等于废物的经理10. The lowest point:最低点:His prospects were approaching zero.他几乎没有希望11. A zero-coupon bond.无收益但在赎回价格之下的债券12. Informal Nothing; nil:【非正式用语】 没有;全无:Today I accomplished zero.今天我一事无成adj.(形容词)1. Of, relating to, or being zero.零的:零的、与零有关的或成为零的2. Having no measurable or otherwise determinable value.无价值的:没有重大的或其它可肯定的价值的3. Informal Absent, inoperative, or irrelevant in specified circumstances:【非正式用语】 不存在的:在特定环境中不存在的、无效的、无意义的:“The town has . . . practically no opportunities for amusement, zero culture”(&b{Robert M. Adams})“这座城市几乎没有机会娱乐,也没有文化”(罗伯特M.亚当斯)4. Meteorology 【气象学】 5. Designating a ceiling not more than 16 meters (52 feet) high.零度云高的:指云高不超过16米(52英尺)6. Limited in horizontal visibility to no more than 55 meters (180 feet).零视度的:水平能见度在55米(180英尺)以内的v.tr.(及物动词) ze.roed,ze.ro.ing,ze.roes To adjust (an instrument or a device) to zero value.把…调到零点:调整(仪器或设备)到零点常用词组:zero in 1. To aim or concentrate firepower on an exact target location.把…瞄准目标:瞄准或集中火力在正确的目标上2. To adjust the aim or sight of by repeated firings.调整归零:通过重复射击调整目标或视角3. To converge intently; close in:专心注意,迫近:The children zeroed in on the display of toys in the store window.孩子们的注意力都集中在商店橱窗里陈列的玩具上语源:1. Italian 意大利语 2. from alteration of Medieval Latin zephirum 源自 中世纪拉丁语 zephirum的变化 3. from Arabic &9{Ìifr} [nothing, cipher] 源自 阿拉伯语 &9{Ìifr} [没有,零] |
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