英语词汇“black drop”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	black drop
释义	black drop noun 1. : vinegar of opium 2. : an optical phenomenon observed in transits of Mercury and Venus near the instant of internal contact when the planet seems for the moment attached to the sun's limb by a dark ligament that is probably due to irradiation and the imperfections of the telescope — called also black ligament
随便看	cryomagnetic cryometer cryometry cry one's eyes out cryonic cryonics cryopedologic cryopedology cryophile cryophilic cryophoric cryophorus cryophyllite cryoplanation cryoprecipitate cryoprecipitation cryopreservation cryopreserve cryoprobe cryoprotectant cryoprotective cryopump cryoscope cryoscopic cryoscopical

英语词典包含332784条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。