regretful的解释a. 惋惜的,遗憾的,哀惜的regretful的例句 His decision is made us feeling regretful. 他的决定令人感到遗憾
regretfully的解释ad. 遗憾地regretfully的例句 I very regretfully tell you, and your examination is failed. 我很遗憾地告诉你，你考试不及格
regrettable的解释a. 可叹的,可惜的,抱歉的regrettable的例句 It is regrettable that few people shall walk today because of the development of traffic facilities. 由于交通设施的
regular的解释a. 有规律的,有规则的,整齐的,正规的regular的例句 A cube is a regular solid. 立方体是正多面体。 He has very regular features. 他五官端正
regularity的解释n. 有规则,匀整,调和regularity的例句 Regularity ought to be observed, as regularity is very conducive to health. 生活应遵守规律，因为规律对健康有益。
bounce的解释n. 跳,反跃,弹力v. 弹跳,使...跳bounce的例句 I bounced the baby on my knee. 我把婴儿放在膝上上下颠着。 The ball hit the wall and bounced off it. 球打
bound的解释n. 跳跃,界限,范围a. 受约束的,装订的,有义务的v. 跳跃bound的例句 It's bound to rain soon. 过一会儿肯定会下雨。 You are not legally bound to answer these
boundary的解释n. 分界线,边界boundary的例句 They marked the boundaries of the football fields. 他们画出了足球场地的边界。 The ball ran (ie rolled) to the boundary. 球
bounds的解释n. 界限bounds的例句 The exceeding of due bounds or limits. 越界超过正当的界限或限制 Our joy knew no bounds. Your remarks exceed the bounds of reason. 我们快
bounty的解释n. 慷慨,宽大,恩惠bounty的例句 He was awarded a cash bounty by his boss. 他的上司奖给他一笔现金。 I think we shall drink to the bounty of nature. 我想我