巨轮泰坦尼克在第一次航行中沉没。
地出“是1968年宇航员威廉·安德斯在阿波罗8号任务中拍的，这是第一次载人绕月航行。”
'Earthrise' was taken in 1968 by astronaut William Anders during the Apollo 8 mission, which was the first manned voyage to orbit the Moon.
我们不知道是谁第一次治疗好了一条断腿，是谁把一个可以在海上航行的船送下水，使税收此计算出了一年的长度，又是谁首次在田野中施肥。
We do not know who first set a broken leg, or launched a seaworthy boat, or calculated the length of the year, or manured a field; but we know all about the killers and destroyers.
在定位航行训练和第一次空间探索测试中，两组鼠在训练时逃避潜伏期及测试中在目标象限探索时间无统计学差异；
In addition, transgenic mice performed normally in learning and memory in both place navigation training and the 1st spatial probe test.
在定位航行训练和第一次空间探索测试中，两组鼠在训练时逃避潜伏期及测试中在目标象限探索时间无统计学差异；
In addition, transgenic mice performed normally in learning and memory in both place navigation training and the 1st spatial probe test.
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