1. Contraction of the timbers left gaps in the fence.
   木料收缩, 结果围墙露出缝来。
2. Contractions are much more common in speech than in writing.
   缩略词在口语里比在书写中常见得多。
3. The forces of expansion are balanced by forces of contraction.
   扩张力和收缩力相互平衡。
4. It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.
   已经确证，心肌收缩始于动作电位使肌膜去极化。
5. The Calcium pump takes an important part in intracellular calcium homeostasis.It's well know that calcium is concerned with muscle contraction, nerve conduction and emiocytosis.
   钙泵对维持细胞内钙离子的平衡起主要作用,而钙离子同时与肌肉收缩、神经传导、细胞分泌有关。
6. Objective:To study and introduce a new manometric method to determine the pressure during contraction and relaxation of isolated smooth muscle from trachea of guinea pig.
   研究并介绍一种新的离体气管平滑肌舒缩性检测法-压力检测法。
7. In the two years since the housing bust started in earnest, the contraction in homebuilding has taken around one percentage point a year of GDP growth.
   在房市泡沫破裂正式开始以来的两年中，住房建筑业的衰退使GDP年增长率每年大约减少一个百分点。
8. The cotton treen often is a host to ERGOT, a parasitic fungus whose derivatives have long been used in childbirth under medical supervision to strengthen uterine contractions.
   棉树常常是一种寄生虫真菌麦角的寄主，麦角的衍生物长久以来一直在医生指导下用于加强子宫收缩。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。