n.卷;管;面包卷;翻滚;摇晃;赘肉;名册;隆隆声;掷骰子;
v.卷,摇,转;(使)滚动;翻转;压平;发出持续声音;启动;缓缓行进;抢劫;
例句:
Roll out the dough into one large circle.
将面团擀成大的圆形面皮。
Roll on the day someone develops an effective vaccine against malaria.
盼望有一天有人会研制出一种能有效预防疟疾的疫苗。
We had to stand in the snow every morning for roll call.
我们每天早上都得站在雪地里等着点名。