单词	emerald
释义	emeraldemerald /ˈɛmərəld/ noun Etymology ETYMOLOGYemerald Origin: 1200-1300 Old French emeraude, from Latin smaragdus 1 [countable] a valuable bright green stone that is often used in jewelry2[uncountable] a bright green color—emerald adjective
随便看	run runabout runaround runaway rundown run-down rune rung runic run-in runner runner-up runneth running running back running costs running jump running mate runny run-off runoff primary run-of-the-mill run-on sentence runt run-through

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