adj.(服装)拷边的,滚边的;
例句:
The shoulders of his uniform were piped with signs of his rank.
他制服肩上佩有表示军衔的标志.
They piped oil yesterday.
昨天他们用管道输送油.
Suddenly the band piped up a military tune.
突然,乐队奏起一首军乐.