我有了头痛的先兆。I had the beginnings of a headache.乌云是下雨的明显先兆.Black clouds are an unmistakable sign of coming rain.那被认为是一种不幸的先兆.It is said to be an omen of misfortune....
Kaolin forms pseudo - hexagonal plates, often regularly arranged in book - like or vermicular stacks.高岭石呈假六边形片体, 往往以书页 状 或蠕虫状规则排列.Rock fragments, including volcanics, are common, and the matrix consists largely of kaolin...
The two men leaped into the jeep and roared off...两名男子跳上吉普车，疾驰而去。They thrust him into the back of a jeep...他们把他硬塞进吉普车后座。The all - new Jeep Grand Cherokee offers the new Quadra - Lift air suspension system.全新吉普大切诺基提供了新的空气...