| 正面 | 1985.sector 英 ['sektə]美 ['sɛktɚ]     |
|---|---|
| 背面 |      释义： abortion ＂偶不生＂－－－－－流产，堕胎的n. 部门；扇形，扇区；象限仪；函数尺vt. 把…分成扇形 例句： 1. The news gave a fillip to the telecommunications sector.这个消息给电信部门注入了一针强心剂。 sector 部门，领域来自拉丁语 secare,切，分，来自 PIE*sek,切，砍，词源同 segment,bisect.-ct,过去分词格，-or, 名词后缀。引申词义部门，领域等。 sector (n.)1560s, "section of a circle between two radii," from Late Latin sector "section of a circle," in classical Latin "a cutter, one who cuts," from sectus, past participle of secare "to cut" (see section (n.)). Translated Greek tomeus in Latin editions of Archimedes. Meaning "area, division" appeared 1920, generalized from military sense (1916) of "part of a front," based on a circle centered on a headquarters. As a verb from 1884. Related: Sectoral; sectorial." |