| 正面 | 12573.incidental 英 [ɪnsɪ'dent(ə)l]美 ['ɪnsə'dɛntl]     |
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| 背面 |     释义： 1. PIE root *ghel- "shine, glitter, glow" => Proto-Germanic *glim- => gleam, glimmer, glimpse.2. glimmer is a frequentative from Proto-Germanic *glim-, originally "shine brightly," Sense shifted 15c. to "shine faintly".3. PIE root *ghel- "shine, glitter, glow" => glow, glitter, glister, glisten, glint, glad.4. 光(拼音：guang <= g- + -uang) => gl- "流动的光". <= 类比：flow.5. 哥哥(路过垃圾堆时)在垃圾堆里捡到了一个闪闪发光的钻戒。adj. 附带的；偶然的；容易发生的n. 附带事件；偶然事件；杂项 例句： 1. The discovery was incidental to their main research.这一发现是他们主要研究中的附带收获。 incidental 偶然的，附带的来自incident,偶发事件，发生。引申词义偶然的，附带的。 incidental (adj.)"casual, occasional," 1610s, from Medieval Latin incidentalis, from incidens (see incident (n.)). Incidentals (n.) "'occasional' expenses, etc.," is attested by 1707." |