(1) This account of the wonderful land beyond the Rocky Mountains gave him the idea to move there.落磯山脈上這片美麗土地的描述，使他產生了移居到那兒的想法。
account n.描述 the account of the person
拓展： account n. 1>(c) 帳目 2>（關于事件、人物等的）報道，敘述，描寫。3>(u)理由4>(u)好處；利益；利潤 find one’s account in-在――中得到好處
vi.(與for連用)說出――的用途；是――的原因。
vt.(+賓＋賓補) We account him honest.我們認為他誠實。
（2）It was not easy to decide what to take and what to leave behind.
決定什么帶走什么留下是不容易的。
leave behind（v.+ad.=vt.）不帶走，忘了帶，留下
Don’t leave me behind.帶我一起走
拓展：leave alone別動，讓獨自呆著 Leave that mad dog alone.別去惹那條瘋狗。
leave for 動身到（某處）He left (home) for the station a few minutes ago.幾分鐘前他（離開家）去車站了。（leave for后的地方是要去的地方，目的地；而leave后的地方是要離開的地方，出發地。）
leave off停止，中斷，脫掉
leave out漏掉，忘掉，省略
（3）In the spring we continued our journey westward. 春天，我們繼續向西旅行。
westward ad.向西 a.西方的 go in a westward direction 向西走 n.西方，西部 lie to the westward 位于西部
（4）The journey through the mountains and desert in the central part of the continent was the most trying part.通過大陸中央的山脈和沙漠的旅程是最艱難的。
trying a.難受的；難堪的；費勁的；惱人的
a trying situation尷尬的局面；難處的境況
（5）We took the road around the lake and after traveling a short time came to the Salt Lake Desert.我們走繞著湖的路，走了一會兒，來到了鹽湖沙漠。
take 走，行走 take over a hill越過小山
（6）The animals dragged their legs, too weak to pull their burden, and their tongues hung out in desperate need of water.這些動物拖著他們的腿，太虛弱了而不能拉動負擔，他們的舌頭由于極度缺少水而在外搭了著。
hand out掛出； desperate極度渴望的
詳解：desperate adj.1>令人絕望的，危急的 in a desperate state 在絕境中 2>（因絕望而）孤注一擲，拼死的 make a desperate effort 找命的努力 3>極度渴望的be desperate for――極度想要―― 4>極端的；（氣候）險要的a desperate fool大傻瓜
（7）For many weeks we had been accustomed to seeing horses and oxen, suffering from heat, thirst, and starvation.許多個星期，我們習慣于看到馬、牛受熱、渴和饑餓之苦。
be accustomed to (+n.或V-ing形式)習慣于（比be used to 正式）。
I’m not accustomed to getting up so early.我不習慣于這么早起床。
get/become accustomed to (+n.或V-ing)習慣于――
You will soon get accustomed to the job.你將會很快習慣這個工作的。
suffer from(v.+prep.=vt.)受――之苦；患――
She often suffers from headaches.她常頭痛。
suffer from floods遭受洪水
（8）A young man in our group suggested that I stay behind with the children, and wait for help.我們隊伍中的一個年青人建議我和后面的孩子們呆在一起，等待幫助。
suggest建議,后面的從句謂語動詞用should+動詞原形，其中should可以省略。
I suggest that we (should) get up early tomorrow.
拓展：suggest doing He suggested working hard.
advise 建議
+that 從句，從句中謂語動詞用(should)+動詞原形
advise doing
advise sb. to do sth.
suggest后面不能接不定式。
(9)When we saw the valley with fat cattle and horses, we thought we had reached the promised land.當我們看到牛肥馬壯的山谷時，我們知道我們到了一個有指望的土地。
promise有希望，有――可能. This year promises a good harvest.今年有豐收的希望。
promised過去分詞作定語，有希望的。
(10)Our days of hardship had come to an end.我們苦難的日子結束了。
come to an end告終，結束 This play comes to an end.
拓展：bring to an end 使結束
in the end最后，終于
make and end of 把――結束
end (up) with以――告終
Language study P50 Exercise 2.
Keys:1> burden 2>pond 3>starvation 4>desperate 5>anxiety 6>come to an end.
Exercise 3
Keys:1>had come to an end
2>came to an agreement
3>came to a conclusion
4>coming to a complete stop
5>came to a decision
6>came to a better understanding