1·I spun around in my swivel chair and chatted with Jim.
我坐在旋转椅上扭过身来，和吉姆攀谈了起来。
2·Also, the scoops swivel out of the way if they encounter anything solid, so the dredge does not destroy such protuberances.
同时，如果半球铲子遇到任何坚实的固体，会旋转起来而不至于撞坏海底岩石等隆起物。
3·Are you sitting in a swivel office chair as you read this article?
你现在正坐在旋转办公椅上看这篇文章么？
4·Ospreys specialise in catching slippery fish. Unlike other birds-of-prey, they have four powerful toes of about equal length, while the outer one is reversible and can swivel backwards or forwards.
通过对以光滑鱼为猎食的鱼鹰进行研究发现，它不象其它的食肉鸟类，它有四只同样长而非常有力的爪，并且最外边的一只是可以钩回和前后旋转。
5·When I talk, I swivel on my chair, my leg jiggles and my hands are all over the place.
我聊天时会在我的椅子上旋转起来，双脚轻晃、两手乱摆。
1·System of horizontal swivel structure, construction scheme, construction method and construction of middle-span closure are expounded in the paper.
对该桥水平转体结构体系、施工方案、施工工艺、跨中合拢施工进行了详细的阐述。
2·Based on first-order optimization calculating theory, authors established the optimal finite element model of swivel construction of arch bridge adopting hydraulic sync elevation technology.
根据一阶最优化计算理论，构建了采用液压同步提升技术进行转体施工拱桥的优化有限元模型。
3·The stiff skeleton is a steel truss structure, which turns into a single cell and single box section of the main arch structure by filling and outsourcing concrete after swivel construction.
劲性骨架为钢管桁架结构，转体施工，之后，通过内填和外包混凝土构成单箱单室箱形截面的主拱结构。