lengthen up
短语词形变化
lengthened up
lengthening up
lengthens up
三单
lengthens up
lengthening up
现在分词
lengthened up
过去式
lengthened up
过去分词
释义与例句
v.
-
1.
To make longer (in distance or in duration).
不及物 及物 -
2.
To stretch upwards.
非正式