new
back stop的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 backstop:
-
(baseball) the person who plays the position of catcher
-
(baseball) a fence or screen (as behind home plate) to prevent the ball from traveling out of the playing field
-
a precaution in case of an emergency
-
act as a backstop
