1. But when I met Mark I found him a charming and intelligent young guy.
    但是当我见到马克时，我发现他是一个既讨人喜欢又聪明的年轻人。

2. This continental slope usually starts at a place somewhere near the 100-fathom mark and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
    大陆架慢坡一般是从差不多100英寻水深的地方开始的，一直延伸到几百英里远深达2，500至3，500的地方，那里才是真正的海底。

3. The exercise is great; the lifting gets easier with every load, even if my shoulder muscle is sore.
    这可锻炼人哩，虽然肩部肌肉酸痛，可我扛垃圾桶越扛越得心应手了。

4. Turning those pages and studying their photographs is like flowing on a sad current that, like Blake's Thames, seems to "mark in every face, marks of weakness, marks of woe."
    一张张翻看并研读这些照片，仿佛漂流在一条让人伤心的河流上，就像身处英国诗人布莱克笔下的泰晤士河畔，似乎 "看见每一个过往行人都是满脸饥色，满脸愁苦。"

5. Now, dressed in a blue uniform and with a rifle over his shoulder, the prisoner marched boldly up and down in front of the camp.
    现在他身穿蓝军装，肩扛步枪，在军营门前大胆地来回走看。

6. He thinks fine clothes are a mark of gentility.
    他认为衣著讲究是身分高贵的标志.

7. He gave his younger brother a pat on the shoulder.
    他轻轻地拍一下他弟弟的肩膀。

8. He felt a pressure on the right shoulder.
    他觉得右肩压得很。

9. Her bag hangs over her shoulder.
    她把提包挎在肩膀上。

10. Has Mark flown solo yet?
    马克已经单飞了吗？