4.) 详细说明[(+on/upon)]
distribute
vt.
3.) 膨胀
Water expands when it freezes.
水结冰时体积膨胀。
A tire expands when you pump air into it.
轮胎打了气就会胀大。
2.) 扩张;发展;增长
In ten years the city’s population expanded by 12%.
十年之中,该城人口增加了百分之十二。
1.) 展开,张开
4.) 详述
They have expanded my view on the question.
他们已更充分地阐明了我对这个问题的观点。
vi.
3.) 扩大;扩充;发展
He is thinking of expanding his business.
他正考虑扩展他的生意。
2.) 使膨胀;使扩张
1.) 展开,张开(帆,翅等)
The eagle expanded its wings.
老鹰展开翅膀。
2.) 退出;退学
She dropped out of school to become a waitress.
她退学去当女招待。
expand
1.) 脱离
Luckily, I dropped out before the deal turned sour.
很幸运的,在交易变坏前我已退出了。
One of my teeth has dropped out.
我的一只牙齿掉了。