noun🔗Share哨兵，卫兵，警戒。 A sentry, watch, or guard."The tall trees stood as silent sentinels, guarding the entrance to the park. "高大的树木像沉默的哨兵一样，守护着公园的入口。militarypolicegovernmentChat with AIVocabulary GamePractice Reading
noun🔗Share哨兵，站岗士兵。 A private soldier."The young sentinels stood guard at the army base entrance, checking IDs. "那些年轻的哨兵站在陆军基地入口站岗，检查身份证件。militarypersonjobChat with AIVocabulary GamePractice Reading
noun🔗Share哨兵，标志。 A unique string of characters recognised by a computer program for processing in a special way; a keyword."The tag is a sentinel that suspends web-page processing and displays the subsequent text literally."<PRE> 标签是一个哨兵，它会暂停网页处理，并按字面意思显示后续文本。computingtechnologywordtechnicalsignalChat with AIVocabulary GamePractice Reading
noun🔗Share哨兵蟹，守卫蟹。 A sentinel crab."The sentinels scurried sideways along the beach, disappearing into their burrows as we approached. "当我们靠近时，那些守卫蟹沿着沙滩横向快速爬行，消失在它们的洞穴里。animalbiologyorganismnatureChat with AIVocabulary GamePractice Reading
noun🔗Share哨兵，警戒信号 A sign of a health risk (e.g. a disease, an adverse effect)."sentinel animals can be used to explore endemic diseases."哨兵动物可以被用来探索地方性疾病，它们是疾病风险的警戒信号。medicinesignconditionChat with AIVocabulary GamePractice Reading
