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- buffed derivation culvert 引水暗涵
- You must not bathe here in the buff. 你不能光着身子在这里游泳。
- Taxpayer: what do you mean by the method of derivation? 纳税人：什么是以支出换算收入？
- He buffed his shoes to a bright shine. 他把皮鞋擦得光亮。
- He buffed the wood until it shone. 他把木棒擦得直发亮。
- A drainage passage, as to a culvert. 排水沟排水通道，如阴沟
- When I was a student, I was a real movie buff. 我当学生的时候是个道地的电影狂。
- Every sentence has a canonical derivation. 每个句子都有一个规范推导。
- They ran for the culvert and ducked in. 他们跑到涵洞跟前，钻了过去。
- Our derivation lacks rigour in this regard. 我们的推导在这方面是不严格的。
- Culvert and sluice block and sluice water. 涵闸具有挡水、泄水的作用。
- They waxed and buffed the floor. 他们将地板打蜡并擦亮。
- The doctor ordered him to strip and there he stood in nature's buff. 医生命令他脱掉衣服，于是他一丝不挂地站在哪儿。
- I've always been a sort of Africa buff. 我一直是个非洲迷。
- Therefore, the derivation was also correct. 从而证明该推导是正确的。
- Buff up the paintwork with a soft cloth. 用块柔软的布把漆面擦亮。
- The derivation will not be given. 求导方法从略。
- The red coat changed for one of blue and buff. 红色上衣换成了一件蓝黄色的衣服。
- Our derivation of the chain rule contains one flaw. 我们推导链式法则的过程中有一个漏洞。
- How do you keep your bod buffed? 你是怎么锻炼身体的?
