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d下降
1、D d───abbr.即期汇票（demanddraft）；数据要求（datademand）；截止日期（deadlinedate）；GuoFangBu (Departmentof Defense)；数字显示（digitaldisplay）
2、beat drop───节拍下降
3、draggle drop───拖拉
4、sweet drop───甜点
5、drop over───vt.顺便来访；顺便拜访
6、clumsily drop───笨拙地跌落
7、cram drop───补习班
8、drag drop───拖放
9、drop───n.滴；落下；空投；微量；滴剂；v.推动；帮助；宣扬；下降；终止
1、impact of powder particle flow of different R/D on the bend's pressure drop and pipe wall wear is also discussed.───并讨论了不同R/D的粉体颗粒流动对弯管压力降及管壁磨损的影响。
2、Thank you. I was just passing by and I thought I'd drop in and say hello.───谢谢。我正好路过这里。觉得应该进来问个好。
3、and remember the time I forgot to tell u the dance was formal and u showed up in jeans? I thought u'd drop me, but u didn't.───记得那时我忘记告诉你唔到是正式的，你却给我展现出一身的牛仔装束？我以为你会和我绝交，但你没有。
4、The drop did not reflect a reduction in claims but a surfeit of capacity: start-up insurers in America and Bermuda have rushed to provide D&O cover.───这一下降并没有表现为赔偿主张的减少，反而是过量的诉讼：在美洲和百慕大新创办的保险公司已经忙着提供董事及高级职员责任保险。
5、We were just passing through and thought we'd drop in to see you.───我们正好经过，于是就想到顺便来看看你。
6、Stuff your eyes with wonder. Live as if you'd drop dead in ten seconds. See.───要用惊奇的眼光注视一切。要象是十秒钟之后你就会死去一样的活着。观察这个世界。
7、One of your employees is particularly outstanding, and I thought I'd drop you a line and say a word on his behalf.───有一个店员尤为突出，我觉得应该写封信，说几句表扬他的话。
8、And remember the time I forgot to tell you the dance was formal and you showed up in jeans? I thought you'd drop me, but you didn't.───记得那一次，我忘记告诉你了，那个舞会是穿礼服的，而你只穿牛仔裤到场，我以为你必然放弃我了，可是你没有。
9、Levels of cyclin D protein drop upon withdrawal of growth factors through downregulation of its protein expression and through phosphorylation-dependent degradation (4).───生长因子退出后，通过下调蛋白表达和磷酸化依赖性蛋白降解，周期蛋白D的水平下降（4）。