bound

跃, 回跳, 范围, 边界

受约束的, 装有封面的, 有义务的, 关联的, 被束缚的, 准备去...的, 便秘的

confined by bonds; held with another element, substance or material in chemical or physical union; secured with a cover or binding; often used as a combining form

跳跃, 弹起

form the boundary of; be contiguous to

使跳, 限制, 形成...的疆界

form the boundary of; be contiguous to

bind过去式和过去分词