ph.

1. Let's pin up the map on the wall now.
现在让我们把地图钉在墙上。

1. 钉住：pin something on one 归咎于某人 | pin up 钉住 | pin 钉

2. 阳螺纹向上：pin type reversing valve 销式换向阀 | pin up 阳螺纹向上 | pin wrench 尖顶把管钳

3. (钉住,别住)：pull up (停下) | pin up (钉住,别住) | queue up (排队)

4. 置顶：sticky post 置顶帖 | pin up 置顶 | bump 顶上去

verb

1. attach with or as if with a pin

e.g. pin up a picture

Synonym: pin down