drop behind
短语落后, 落伍
词形变化
dropped behind
dropping behind
drops behind
三单
drops behind
dropping behind
现在分词
dropped behind
过去式
dropped behind
过去分词
释义与例句
v.
-
1.
To suddenly do worse than others; to become out-of-date or to fail to keep up with others.
不及物 及物 -
2.
Used other than figuratively or idiomatically: see stand, behind.