n.难以控制的一阵;
例句:
He clutched a jag of the rock.
他抓住石头的尖端.
This stuff has no jag at all.
这玩意儿根本没什么劲儿.
They are on a jag, buying everything that they like in the store.
他们尽情放纵自己, 在商店里喜欢什么买什么.