| 释义 |
ex·pand /ɪkˈspænd/ vt. | vi.
❶ vt.
1. 扩大，扩充，扩展；发展；使膨胀
expand seating capacity of an auditorium from 5000 to 8000 把礼堂的坐位容量从5000扩大到8000
a totally revised and expanded edition 经彻底修订和扩充的版本
She expanded her article into a book. 她把自己的文章扩写成一本书。
expand one's chest 扩胸
expand trade (economic ties) with another country 发展与另一国的贸易(经济关系)
expand one's (intellectual) horizons 拓宽自己(知识)的视野
Reading (Travel) expands one's mind. 读书(旅行)能使人的思想开阔。
2. 张开，展开
The bird expanded its wings. 鸟展开翅膀。
Expand the sails and catch the nimble gales. 张开风帆，去迎接那轻盈的风。
3. 更充分地阐述，详述；把(缩略式等)全部写出；【数】展开
They have expanded my ideas. 他们已更充分地阐明了我的想法。
expand an equation 展开方程式
❷ vi.
1. 变大；扩大；发展；膨胀
Cities have expanded out toward the suburbs. 城市已向郊区扩展。
His part-time job gradually expanded into a full-time position. 他的兼职工作逐渐发展成为专职。
We've expanded into the automobile service market. 我们的业务范围已扩大到汽车维修市场。
A tyre (ball) expands when you pump air into it. 给轮胎(球)打气，它就会胀大。
Heat causes air to expand. 热使空气膨胀。
2. 张开，展开
The petals of flowers expanded. 花瓣绽开了。
When he appeared his old mother would expand and sigh, gradually breaking into a smile. 当他出现时，他的老母亲总是舒展一下身体，叹口气，慢慢破颜而笑。
3. 详述，充分叙述(on, upon)
Can you expand on that answer a little more? 你能把这个回答说得再详细点儿吗?
4. 变得和蔼愉快；变得愿意交谈；感到心旷神怡
Her face expanded in a smile. 她笑逐颜开。
His subtle flattery made her expand and glow. 他那含蓄的奉承使她心花怒放，满面带笑。
[< L expandere to spread out < pandere to spread, extend] |