| 词汇 | zero |
| 词根词缀 | 词源： 1604, from It. zero, from M.L. zephirum, from Arabic sifr "cipher," translation of Skt. sunya-m "empty place, desert, naught" (see cipher). A brief history of the invention of "zero" can be found here. Meaning "worthless person" is recorded from 1813. The verb zero in is 1944, from the noun, on the notion of instrument adjustments. Zero tolerance first recorded 1972, originally U.S. political language. 词根记忆： n. 零,零度num.零The poet's toes get out of his shoes. Here heroes are zeros.诗人的脚趾露出了鞋子.在这里英雄无足轻重. |
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