1. Invented in 1951, the rotary engine is a revolutionary concept in internal combustion. 1951年发明的旋转引擎是内燃领域的一个革命性观念。
2. It's like a rotary phone, where you could turn to a pageboy, or that haircut that looked like a nuclear bomb exploded your bangs, and then the Peter Pan look. 就像个旋转式电话，在那儿你能做个童花头，或者是爆炸式的刘海，再或者一个彼得潘的发型也行。
3. A rotary engine attached to the steam engine enabled shafts to be turned and machines to be driven, resulting in mills using steam power to spin and weave cotton. 连接在蒸汽机上的旋转式发动机使轴承转动，机器得以驱动，从而使得利用蒸汽动力纺线和织布的工厂出现。
4. The telephone is a heavy, rotary model. 电话是笨重的拨盘式的那种。
5. This event was sponsored by Rotary International. 此次活动得到了扶轮国际的赞助。
