back stops

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back stops的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 backstop:

1. (baseball) the person who plays the position of catcher

2. (baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field

3. a precaution in case of an emergency

动词 backstop:

1. act as a backstop