1.
In December of 1978, two Pioneer spacecraft launched earlier in the year reached Venus.
1978年12月，几个月前发射的两艘先驱者号太空船飞抵金星。
2.
Soon after that, the American Pioneer spacecraft orbited Venus.
此后不久，美国的先驱者号航天器围绕金星进行环绕飞行。
3.
Pioneer probe
“先驱者”号探测器
4.
A forerunner or predecessor.
前人，先驱先行者或先驱
5.
Pioneer 10 continues its journey beyond our solar system, while Pioneer 11 headed for the mysterious ringed planet, Saturn.
先驱者十号继续在我们的太阳系飞行； 先驱者十一号则要飞向有神秘光环的行星土星。
6.
In 1973 and 1974, Pioneers 10 and 11 took the first close-up pictures of the planet Jupiter.
1973年和1974年，先驱者十号和十一号第一次拍摄到了木星的近距离照片。
7.
leaders of a movement or fashion
（运动或时尚的）先驱,先锋,领导者
8.
In December 1978, the Pioneer Venus 1 probe and orbiter measured argon isotopes in the atmosphere of Venus.
1978年12月，金星先驱者1号探测器和轨道飞行器，测定了金星大气层中的氩同位素。
9.
Those occupying a foremost position.
先驱者占有最前位置的人
10.
His grandfather was one of the pioneers of flying.
他的外祖父是飞行的先驱者之一。
11.
Astronauts are pioneering in exploring space.
太空旅行者们正成为探索太空的先驱。
12.
Intrepid pioneers settled the American West.
无所畏惧的先驱者们在美国西部定居。
13.
Jia Sixie is known as one of the pioneers of farming.
贾思勰被认为是农学的先驱者之一。
14.
Chen-Sin said:“ The literature is the pioneer of the culture".
陈炘说：“文学者，乃文化之先驱也”。
15.
George Eliot and Flaubert; Pioneers of the Modern Novel
艾略特和福楼拜：现代小说的先驱者
16.
He was the forerunner of the resistance.
他是这个反抗运动的先驱者。
17.
tried to stay with the lead runner.
试图与领先的跑步者并驾齐驱
18.
He became a reporter for the Herald Tribune.
他成为《先驱论坛报》的记者。