backstop 同义词

翻译和解释

1. backstop 英文释义：a precaution in case of an emergency; "he acted as a backstop in case anything went wrong"
2. backstop 中文翻译：n. 托架；后障；【机械工程】棘爪；【棒球】挡球网；(击球手后的)接球手。2.vt. 挡住；支持。