英语词汇“Secchi disk”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	Secchi disk
释义	Secchi disk n. A disk, divided into black and white quarters, used to gauge water clarity by measuring the depth at which it is no longer visible from the surface. [After Pietro Angelo Secchi (1818-1878), Italian astronomer hired to test such a disk.]
随便看	postmortem post mortem postmortem examination postnasal postnasal drip postnatal postnatally postnuptial postnuptially post office post office box post-op postop postoperative postoperatively postorbital postpaid postpartum post-polio syndrome postponable postpone postponement postpose postposition postpositional

英语词典包含135693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。