in medicine, something that blocks a tube or opening in the body, or when something is blocked or closed
(TEETH)
[ U ]medical(牙科术语)上下牙齿的咬合
in dentistry, the way in which your upper and lower teeth meet
(WEATHER)
[ C ]environment(alsooccluded front)锢囚锋(两个锋面相遇而形成的锋面,尤指冷空气将其前面的暖空气抬高而形成的锋面)
a situation in the weather when two masses of air meet, especially when a mass of cold air reaches warm air and pushes the warm air up off the earth's surface