to tag up
01
回垒, 触垒
(in baseball) to return to and touch a base after a fly ball is caught before attempting to advance to the next base
例子
He had to tag up at second base before running to third.
他必须在跑向三垒之前在二垒触垒。
The runner tagged up and dashed home to score.
跑者触垒后冲回家得分。
