backstops

1.托架;后障;【机】棘爪;【棒】挡球网;(击球手后的)接球手

1.挡住;支持

1.somebody or something providing additional support or protection in case somebody or something else fails

2.a screen or barrier to stop a ball traveling out of the playing area, especially behind home plate on a baseball field

3.a catch on a mechanism often designed as a safeguard to prevent it from moving back too far

1.to give support or backing to somebody or something, or to reinforce somebody or something