1. The men stepped off in good spirits.
   战士们精神饱满地出发了。
2. The police are reluctant to step in.
   警察不愿插手干预。
3. She urges me to take steps in the matter.
   她催我处理此事。
4. I went up the steps in two effortless bounds.
   我没费一点力气，两下就跳上了台阶。
5. The little kid stepped right in a pile of dog shit.
   这小孩正好踩在一堆狗屎上。
6. They are taking preliminary steps in preparation for a possible war.
   他们正在为应付一场可能的战争做初步的准备。
7. The first step in changing a car tire is to loosen the wheel.
   换轮胎的第一步是卸下车轮。
8. When everything is running smoothly, why must he step in and foul thing up?
   一切正在顺利进行时, 为什么他一定要插进去把事情弄糟呢?
9. There was a knock on the door and a large stoutish man stepped in.
   门上敲了一下，一个身材魁梧、略为发胖的男人走了进来。
10. There is a pretty portable pair of steps in one corner of the room.
    屋角放着一架小巧玲珑的折梯。
11. Step in, please.
    请进去。
12. Through controlling the each step in process of darkroom disposal,improve the quality of the sciagram efficently.
    通过对暗室处理过程中各个环节的控制,有效提高射线底片的质量。
13. Bone grafting of the alveolus is an essential step in the reconstruction of the orofacial cleft deformity.
    牙槽突裂骨移植是口腔颌面部裂隙畸形重建的重要步骤。
14. A step in temperature on the Fahrenheit scale is smaller than a step on the Centigrade scale.
    华氏温度计的一度比摄氏温度计的一度小一些。
15. Aldehyde dehydrogenase is a kind of endoenzyme,and cell disruption is the major step in its extraction from Saccharomyces ceravisia.
    乙醛脱氢酶(ALDH)是一种胞内酶,在从酵母中分离提取ALDH的过程中,破碎细胞是其中的关键步骤之一。
16. Bone formation Hydroxyapatite is deposited in nucleation sites between the ends of tropocollagen molecules as the first step in bone formation.
    骨骼形成的第一步，羧基磷灰石被沉积在原胶原蛋白分子末羰之间的成核部位。
17. Officers who have stepped out of line in the recent past have ended uplooking more like foolish pranksters than serious threats.
    不久前，军方出乎意料的表态使得整个事情最终看上去只是一出愚蠢的闹剧而非严重的威胁。
18. In this paper,W amino polyoxyalkylene were synthesized by two steps.In the first step,polyoxyalkylene were brominated.In the second,the brominated polyoxyalkylene were aminated.
    本文用聚乙二醇先溴代，再氨化的二步合成法，合成了胺基单取代聚乙二醇衍生物。
19. Their first step in to serve you with a writ for nonpayment of debt, and then you are forced to go to law.
    他们第一步是传你到庭，指控你欠债不还，这样你就被迫去打官司了。
20. Therefor, it must accelerate the reform and innovative step in electric industries, dispel impeditive eleiments, and stimulate it to robustly and quickly develop.
    因此，必须加快电力工业的改革和创新步伐，消除制约性因素，促进电力工业健康快速发展。

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