sidelightn.
英 'saɪdlaɪt | 美 'saɪdlaɪt
中文n. 侧灯，舷灯；趣闻；侧面射进来的光线
词根词源
sidelight (n.)also side-light, c. 1600, "light coming from the side," from side (adj.) + light (n.). Figurative meaning "incidental information on a subject" is attested from 1862.
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