n. the physical condition of blocking or filling a passage with an obstruction
n. the act of obstructing
n. getting in someone's way
词态变化
复数形式:obstructions
常见例句
1
n obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving n pain resulting from rapid change in pressure
2
absence of the sense of smell (as by damage to olfactory nasal tissue or the olfactory nerve or by obstruction of the nasal passages)
3
usually used as a fastening or obstruction or weapon n
4
an obstruction (usually metal) placed at the top of a goal n
5
usually used as a fastening or obstruction or weapon n musical notation for a repeating pattern of musical beats n an obstruction (usually metal) placed at the top of a goal n the act of preventing n (meteorology) a unit of pressure equal to a million dynes per square centimeter n a submerged (or partly submerged) ridge in a river or along a shore n the body of individuals qualified to practice law in a particular jurisdiction n a narrow marking of a different color or texture from the background n a block of solid substance (such as soap or wax) n a portable .30 caliber automatic rifle operated by gas pressure and fed by cartridges from a magazine
