1. They were on the Orinoco, which widened with every mile.
    他们那时是在奥里诺科河上，每前进一英里，河面都在加宽。

2. He wrote: "Never shall I forget Monsieur Bonpland´s magnanimous devotion, a devotion of which he offered such ample proof on the Orinoco on April 6th, 1800."
    他写道：“我永远也不会忘记庞普朗先生那高尚的献身精神，他的这种献身精神已在1800年4月6日的奥里诺科河上得到了充分的证实。”