VOA慢速英语:Explorer Andrew Skurka Takes Hiking to a New Level

a great deal of大量的

例句：A great deal of work awaits me.
      许多工作等着我去做。

2.For the Alaska trip, he planned in advance where he would stop along the way to buy food and supplies so he did not have to carry extra weight.

in advance预先, 事先

例句：Everything was fixed in advance.
      一切都是预先安排好的。

      There is no reason that you shouldn't tell them in advance when you are going.
      你没理由不事先告诉他们你打算要走。

3.'Til today she had only time to focus on escape and survival but now she must find a way to get her cubs safely through their first critical year until they can fend for themselves.

fend for抚养,照料,养活…

例句：She has three children to fend for.
      她有三个孩子要抚养。

4.see how the lioness cares for her young and how she plans to attack the buffalo she needs for food.

care for照料, 服侍

例句：The mother cared for the sick child day and night.
      母亲日夜照料着生病的孩子。