flushv.发红；脸红；冲(抽水马桶)；(用水)冲洗净，冲洗； adj.富有，很有钱(通常为短期的)；完全齐平 Make sure the paving stones are flush with the lawn...
make sure + that 从句； make sure to do sth； make sure of sth； 例句 Please make sure to turn off the lights when you leave. Please make sure of ...
