1. When he was better, he joined the army for a time as a surgeon and went on an expedition to Portugal.
    以后刚好一些，他就参军成为一名外科军医，随军远征葡萄牙。

2. They made an expedition to the North Pole.
    他们去北极探险。

3. The expedition carried a little flour and sugar, but mostly they relied on the fish that Pinero caught with his harpoon and the game that was shot with bow and arrow, using the campfire to grill meat or cassava cakes.
    探险队在旅途中只带少量的面粉和糖，通常是德派因罗用渔叉叉鱼，用弓箭猎取野味，他们在篝火上烤肉吃，也做木薯饼。

4. Three days later, the expedition reached Carichana.
    三天之后，探险队到达了卡里查纳。

5. He was on an expedition to explore the Antarctic.
    他参加探险队考察南极。

6. He was on an expedition to explore the Antarctic.
    他参加探险队考察南极。

7. Humboldt went to Paris in 1798, hoping to go on to Egypt to join a scientific expedition.
    1798年，洪堡去了巴黎，希望从那里继续前往埃及参加一次科学探险。

8. Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
    此后不久，英国著名的"挑战者"号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题，