noun 下载 🔗分享 阀门，活门 A device that controls the flow of a gas or fluid through a pipe. Examples : "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。 device machine technical utility industry 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : "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。 device machine technical part fuel industry vehicle 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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 Examples : "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）。 part physiology anatomy medicine device machine technical system function 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 阀门，活门 One of the leaves of a folding-door, or a window-sash. Examples : "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。 architecture part building 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 电子管，真空管 A vacuum tube. Examples : "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。 electronics device technology machine 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 瓣，壳瓣 One of the pieces into which certain fruits naturally separate when they dehisce. Examples : "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。 fruit part plant 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 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. Examples : ""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。 plant part biology nature 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 瓣，壳瓣 One of the pieces or divisions of bivalve or multivalve shells. Examples : "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。 biology animal nature part 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 瓣，壳瓣。 One of the two similar portions of the shell of a diatom. Examples : "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。 biology organism microorganism part nature 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 用阀门控制，调节。 To control (flow) by means of a valve. Examples : "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。 technical machine industry utility device function 与AI对话词汇游戏阅读练习
