| 例句 |
Some respiratory symptoms can be the forerunners of asthma.一些呼吸系统的症状可能是患哮喘的先兆。Falling prices may be a warning sign of a recession. 价格持续下跌或许是经济萧条的先兆。The storm struck without warning.暴风雨突然袭来，没有任何先兆。Were these small movements the precursor to a major earthquake?这些小震是大地震的先兆吗？They say that talking to yourself is the first sign of madness!据说自言自语是精神错乱的先兆！Without any warning she turned around and ran.她毫无先兆地转身就跑了。Small tremors may be precursors to big earthquakes.小震动可能是大地震的先兆。He left his wife without warning.他突然离开了妻子，没有任何先兆。I had the beginnings of a headache.我有了头痛的先兆。He just walked out and left me, without prior warning.他就那样离我而去，没有任何先兆。For her, it was the herald of summer.对于她来说，这是夏天的先兆。The early flowers are heralds of spring.早开的花朵是春天来临的先兆。Without warning the toaster burst into flames.烤面包机在没有任何先兆下起火了。They dropped by without any warning.没有任何先兆，他们突然来访。Grey skies are the heralds of rain.灰蒙蒙的天空是下雨的先兆。 |