1640s, "that may be done without;" see dispose + -able. Meaning "designed to be discarded after one use" is from 1943, originally of diapers, soon of everything; replaced throw-away (1928) in this sense. First recorded use of disposable income (preserving the older sense) is from 1948.
中文解释
1. dis- "apart" + pos- + -able.2. 含义：put things apart, put things to their different positions (directions), put in order, arrange, distribute.3. 也就是把各种事情、东西放置到他们各自不同的位置上。
实用例句
1. The nation's disposable earnings in 1987 amounted to £86 billion.
1987年国民可自由支配收入达到了860亿英镑。
来自柯林斯例句
2. Gerald had little disposable income.
杰拉尔德的可支配收入很少。
来自柯林斯例句
3. Disposable nappies are fairly straightforward to put on.
一次性尿布很容易穿上。
来自柯林斯例句
4. The use of disposable products is considered ecologically unsound.