forerunners of space travel
宇宙航行的先驱
Warm rains are the forerunners of spring.
暖雨是春天来临的前兆。
Heavy clouds are the forerunners of a storm.
阴云密布是暴风雨的前兆。
They studied forerunners of richness or poverty.
他们研究了富有或贫穷的先兆。
Some respiratory symptoms can be the forerunners of asthma.
一些呼吸道症状可能是哮喘病的先兆。
Abraham, he declared, and Jesus Christ were his forerunners.
他宣布，亚伯拉罕和耶稣基督是他的先驱。
These are to be the forerunners for your new galactic society.
对于你们这些新的银河成员，早就有了先行者。
The alchemists were the forerunners of the scientists of today.
炼金术士是今日科学家的先驱。
Forerunners of the Perseid shower began to appear around July17.
英仙座流星雨中的先行者已于7月17日左右开始出现。
These faculae frequently are the forerunners of sunspot formation.
这些光斑常常是形成太阳黑子的先兆。
Country music was unquestionably one of the forerunners of rock'n'roll.
乡村音乐毫无疑问是摇滚乐的前身。
William Blake was one of the notable forerunners of romantic poetry in England.
威廉布莱克是英国十八世纪浪漫主义诗歌的先驱。
He possessed that will and purpose which are the invariable forerunners of success.
他拥有这种意愿和目标，这正是成功不变的先决条件。
The company owns forerunners production craft， complete examination means， perfect quality the system.
公司拥有先进的生产工艺，完备的检测手段，完善的质保体系。
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