jam up
短语词形变化
jammed up
jamming up
jams up
三单
jams up
jamming up
现在分词
jammed up
过去式
jammed up
过去分词
释义与例句
v.
-
1.
To cause (something) to become blocked or clogged; to clog up.
及物 -
2.
To become blocked or clogged.
不及物The traffic jammed up on the boulevard.
-
3.
To cause trouble; to stop or inhibit (someone, something).
比喻 及物