1. The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.
    大陆构成了崎岖不平的高地, 这些高地几乎高出广阔的海洋的洋底3英里.

2. The air ten miles above the earth is very tenuous.
    地面上十英里处的气体是非常稀薄的。

3. There´s thunder in the air.
    好像要打雷了.

4. The foul air is unfit to breathe.
    肮脏的空气不适宜呼吸。

5. This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
    这样就可以解决通风问题，因为如果一列火车开进隧道，它后面就会带进新鲜空气。

6. The office is open 9:00 to 5:00 on weekdays.
    办公室在工作日从九点到五点办公。

7. They were open- and rolling wildly. His face was as gray as ashes.
    他的眼睛睁得大大的，眼球使劲地转来转去。他面色苍白，象死灰一样。

8. The currents of air that the walls of the ship direct upwards, as well as in the line of its course, are enough to give the great bird with its immense wings sufficient sustenance and progress.
    沿船体的上升的气流和沿航线向前的气流给这种巨翼大鸟以足够的浮力和推力。

9. The open sea was deep and mysterious, and anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
    无边无际的海洋深邃而又神秘，凡是稍稍想过大海海底的人大概都会认为海底是平坦的。

10. The continents form rugged tablelands which stand nearly three miles above the floor of the open ocean.
    大陆是崎岖不平的高地，高出辽阔的海洋海底近三英里。