noun🔗Share必须品，必需品。 Something that is mandatory or required."The school's attendance policy is a strict must: students must be in class every day. "学校的出勤政策有一条严格的必须遵守的规定：学生每天都必须上课。demandlawessentialChat with AIVocabulary GamePractice Reading
verb🔗Share必须，必定。 (modal auxiliary, defective) To do with certainty; indicates that the speaker is certain that the subject will have executed the predicate."If it has rained all day, it must be very wet outside."如果下了一整天的雨，外面肯定非常湿。grammarlanguageessentialChat with AIVocabulary GamePractice Reading
verb🔗Share必须，务必，一定。 (modal auxiliary, defective) To do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a negative consequence."This door handle must be rotated fully."这个门把手必须完全转动到位。grammarlinguisticswordessentialChat with AIVocabulary GamePractice Reading
verb🔗Share一定，必定。 (modal auxiliary, defective) said about something that is very likely, probable, or certain to be true"The children must be asleep by now."孩子们现在一定睡着了。grammarlanguagelinguisticsessentialChat with AIVocabulary GamePractice Reading
noun🔗Share霉味，陈腐味 The property of being stale or musty."The old box smelled of a strong must, making it unpleasant to open. "那个旧箱子散发着一股浓烈的霉味，让人很不愉快打开它。conditionqualityessentialChat with AIVocabulary GamePractice Reading
noun🔗Share霉味，霉臭。 Something that exhibits the property of being stale or musty."The old box smelled of a strong must, making the attic room unpleasant. "那个旧箱子散发着强烈的霉味，让阁楼的房间变得令人不快。qualityconditionenvironmentessentialChat with AIVocabulary GamePractice Reading
noun🔗Share葡萄汁，果汁。 Fruit juice that will ferment or has fermented, usually from grapes."My grandmother makes a delicious homemade wine from the grape must she harvests. "我的奶奶用她收获的葡萄汁（未经发酵的葡萄汁）酿造出美味的自制葡萄酒。fruitdrinkessentialChat with AIVocabulary GamePractice Reading
verb🔗Share发霉，变质 To make musty."The old attic room musty with years of neglect. "那个老阁楼房间因为多年无人照管，变得发霉了。environmentnatureessentialChat with AIVocabulary GamePractice Reading
verb🔗Share发霉，霉变 To become musty."The old box of toys in the attic must; it smells strongly of dampness. "阁楼里那箱旧玩具肯定发霉了，一股浓重的霉味儿。environmentconditionessentialChat with AIVocabulary GamePractice Reading
noun🔗Share发情期，狂暴期。 A time during which male elephants exhibit increased levels of sexual activity and aggressiveness (also spelled musth)."During the musth, the male elephant became very agitated and more likely to charge. "在狂暴期，这头雄象变得非常躁动，而且更有可能发起冲锋。animalphysiologysexbiologyessentialChat with AIVocabulary GamePractice Reading
noun🔗Share发情期的大象，性情狂暴的大象 An elephant in this sexual and aggressive state."The teacher saw the student's frustrated, aggressive behavior as a real must in the classroom. "老师认为这个学生在课堂上表现出的那种沮丧、具有攻击性的行为，简直就像一头发情期的大象一样，极具破坏性。animalphysiologysexbodyessentialChat with AIVocabulary GamePractice Reading
