group-occulting群: crowd; group明暗灯: occulting light组群明暗灯: comosite group-occulting明暗灯: flasher; occult light; occulting light单明暗灯: single-occulting下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:群明暗灯，即可在微信中查询翻译
