upright piano
n. 直立式钢琴
例句与用法：
The cross-piece is mortised into the upright post.
横梁和立柱是用榫眼接合一起的。
She jerked upright in surprise.
她惊讶得跳了起来。
An empty sack cannot stand upright.
[谚]空袋子，立不直。
Morally upright; honest.
正直的，诚实的
Several columns among the ruins still stood upright.
在废墟中依然挺立着几根柱子。
词形变化：
副词: uprightly | 名词: uprightness |
ph.
竖型钢琴