n. a projectile with a straight thin shaft and an arrowhead on one end and stabilizing vanes on the other; intended to be shot from a bow
词态变化
原型:arrow
变形:i
常见例句
1
(of a leaf shape) narrowing to a slender point
2
any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
3
n any of several vasoconstrictor substances (trade name Hypertensin) that cause narrowing of blood vessels
4
a stage of arteriosclerosis involving fatty deposits (atheromas) inside the arterial walls, thus narrowing the arteries
5
n a narrowing that reduces the flow through a channel n the narrow part of a bottle near the top v slow down or impede by creating an obstruction v become narrow, like a bottleneck
