plain line
短语词形变化
plain lines
复数
plain lines
plain lined
plain lines
三单
plain lining
plain lining
现在分词
plain lined
过去式
plain lined
过去分词
释义与例句
n.
-
1.
a stretch of railway track that does not have any junctions, crossovers or points on it.
交通
v.
-
1.
to remove points and crossovers from a stretch of track.
交通