1. They had food and clothing sufficient for their needs.
    他们有足够所需的食品和衣服。

2. 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。

3. Twenty or thirty pages of information handed to any of the major world powers around the year 1925 would have been sufficient to change the course of world history.
    如果把二三十页的情报交给1952年前后的任何一个世界强国，就足以改变世界历史的进程。二三十页材料中的思想和情报会便当今的世界翻天覆地，甚至毁灭这个世界。

4. Of making it aware of the possibility, of supplying sufficient details to enable the thing to be constructed.
    如果告诉它制造核弹的可能性，而且向它提供制造核弹的细节，那么可以设想，这将对这个社会产生何等的影响。

5. However, most people with low iron reserves don't know they have a deficiency, because traditional methods of calculating the amount of iron in blood (by checking levels of the blood protein that transports oxygen) are not sufficient, Beard states.
    然而，比尔德指出，大多数铁离子储量低的人并未意识到自己缺铁，因为传统的检测血液中铁离子储量的方法——只检验血液中输送氧气的血蛋白的含量——是不够的。

6. So what should you do? We´ll assume that you have sorted out the basics----like mortgages, pensions, insurance and access to sufficient cash reserves.
    那么你该怎么做呢？我们假定你已把基本情况弄清楚了，如抵押贷款、养老金、保险金和动用现金储备的机会。

7. For months she had been existing without sufficient food.
    几个月来，她就一直没有吃过一顿饱饭。