noun🔗Share马鞭草 A herbaceous plant, Verbena officinalis, common in Europe and formerly held to have medicinal properties."My grandmother grows vervain in her garden and believes it helps her sleep better, though I'm not sure if it actually works. "我奶奶在她的花园里种了马鞭草,她相信这能帮助她睡得更好,虽然我不确定它是否真的有效。plantmedicinenatureChat with AIVocabulary GamePractice Reading