adj. 1.易扩张的，膨胀性的。 2.辽阔的，浩瀚的。 3.胸襟开阔的，豁达的；滔滔不绝的。 4.豪华的。 5.【心理学】自大狂的；趾高气扬的。 短语和例子 an expansive forehead 宽阔的前额。 expansive delusion 自大狂。 adv. -ly ,-ness n.
able or tending to expand or characterized by expansion; "Expansive materials"; "the expansive force of fire"
friendly and open and willing to talk; "wine made the guest expansive" 同义词：talkative,
marked by exaggerated feelings of euphoria and delusions of grandeur
of behavior that is impressive and ambitious in scale or scope; "an expansive lifestyle"; "in the grand manner"; "collecting on a grand scale"; "heroic undertakings" 同义词：grand, heroic,
In mathematics, the notion of expansivity formalizes the notion of points moving away from one another under the action of an iterated function. The idea of expansivity is fairly rigid, as the definition of positive expansivity, below, as well as the Schwarz-Ahlfors-Pick theorem demonstrate.
例句与用法
1.
Babbitt was expansive and virile . 巴比特兴高采烈，男子气概十足。
2.
He was happy, full of expansive joy . 他很快乐，经常心花怒放。
3.
Birdsong's answer was expansive . 伯德桑的回答是滔滔不绝的。
4.
He has become a confident, expansive man again . 他又成为一个满怀自信，心情豁达的人。
5.
Willoughby was expansive . 威洛比是个趾高气扬的人。
6.
Expansive persons found him a little dry . 喜欢高谈阔论的人们大都认为他言语枯燥乏味。
7.
He has become a confident, expansive man again . 他又成为一个满怀自信心情豁达的人了。
8.
The second reason was altogether more expansive and imperial . 第二个理由整个说来比较普遍，也比较冠冕。
9.
The game was set for 10∶30 in the morning on the expansive south lawn . 比赛预定上午十时三十分在宽阔的南草坪上举行。
10.
The third reason why susan's burial made little stir was the most expansive of all . 苏姗的安葬所以没有引起震动的第二个理由是最普遍的。
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