noun🔗Share阀门，活门 A device that controls the flow of a gas or fluid through a pipe."The plumber replaced the leaky valves under the sink to stop the water from dripping. "水管工更换了水槽下面漏水的阀门，以阻止滴水。devicemachinetechnicalutilityindustryChat with AIVocabulary GamePractice Reading
noun🔗Share气门，阀门 A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit."The mechanic checked the engine's valves to make sure they were opening and closing correctly, allowing the fuel and air to enter and the exhaust to escape. "技工检查了发动机的气门，确保它们能正确地打开和关闭，让燃料和空气进入，废气排出。devicemachinetechnicalpartfuelindustryvehicleChat with AIVocabulary GamePractice Reading
noun🔗Share阀门，活门。 One or more membranous partitions, flaps, or folds, which permit the passage of the contents of a vessel or cavity in one direction, but stop or control the flow in the opposite direction"the ileocolic, mitral, and semilunar valves"回盲瓣、二尖瓣和半月瓣（这些都是控制血液或内容物单向流动的活门/阀门）。partphysiologyanatomymedicinedevicemachinetechnicalsystemfunctionChat with AIVocabulary GamePractice Reading
noun🔗Share阀门，活门 One of the leaves of a folding-door, or a window-sash."The janitor polished the valves of the large wooden doors in the school auditorium. "学校礼堂里，管理员擦亮了那几扇厚重木门的门扇。architecturepartbuildingChat with AIVocabulary GamePractice Reading
noun🔗Share电子管，真空管 A vacuum tube."My grandfather used to fix old radios that used valves instead of transistors. "我爷爷过去常修理旧收音机，那种收音机用的是电子管，而不是晶体管。electronicsdevicetechnologymachineChat with AIVocabulary GamePractice Reading
noun🔗Share瓣，壳瓣 One of the pieces into which certain fruits naturally separate when they dehisce."After the pea pod dried out, the valves separated, scattering the peas. "豌豆荚干燥后，壳瓣裂开，豌豆撒了一地。fruitpartplantChat with AIVocabulary GamePractice Reading
noun🔗Share瓣裂，瓣片 A small portion of certain anthers, which opens like a trapdoor to allow the pollen to escape, such as in the barberry.""Examining the barberry flower under a microscope, the student observed the tiny valves on the anthers opening to release the pollen." "在显微镜下观察小檗花时，学生注意到花药上微小的瓣裂打开，释放出花粉。plantpartbiologynatureChat with AIVocabulary GamePractice Reading
noun🔗Share瓣，壳瓣 One of the pieces or divisions of bivalve or multivalve shells."The child carefully separated the two valves of the clam shell he found on the beach. "那个孩子小心地分开了他在沙滩上捡到的蛤蜊壳的两个壳瓣。biologyanimalnaturepartChat with AIVocabulary GamePractice Reading
noun🔗Share瓣，壳瓣。 One of the two similar portions of the shell of a diatom."Under the microscope, we could see the intricate patterns etched onto the two valves of the diatom's glass-like shell. "在显微镜下，我们可以看到硅藻玻璃状外壳的两个壳瓣上蚀刻着错综复杂的图案。biologyorganismmicroorganismpartnatureChat with AIVocabulary GamePractice Reading
verb🔗Share用阀门控制，调节。 To control (flow) by means of a valve."The gardener valves the water flow to the rose bushes, ensuring they get just the right amount. "园丁用阀门控制着流向玫瑰丛的水流，确保它们得到适量的水分。technicalmachineindustryutilitydevicefunctionChat with AIVocabulary GamePractice Reading
