动 （没有约束； 松开； 分散） come loose，fall apart，not hold together；形 （零碎的； 不集中的） scattered；名 [中药]medicine in powder form，medicinal powder，a surname；

[例句] 长椅周围的人群渐渐散去了。 The crowd around the bench began to melt away.

[例句] 雾已经散了，看来是温暖晴朗的一天。 The fog had lifted and revealed a warm, sunny day.

disperse，scatter，scattering，dispersal，decentralization ；

[例句] 他打算把资金分散存到不同的购房互助会的账户上。 His plan is to spread the capital between various building society accounts.

[例句] 该学院分散在主校区不同地点。 The school occupies split-site accommodation on the main campus.

spread，diffuse，proliferate，scatter about，pervasion ；

[例句] 他为裁军运动和反对核武器扩散而奔走。 He campaigned for peace and against the spread of nuclear weapons.

[例句] 原油泄露后的浮油很快在水面上扩散开来。 A crude oil slick quickly spreads out over water.

interspersal，intersperse，scatter，spread，diffuse ；

[例句] 沃伦先生控告他散布诽谤性言论。 Mr Warren sued him for libel over the remarks.

[例句] 在巴利阿里群岛上，零星散布在岛内的村庄和那里的生活平静而祥和。 In the Balearics pockets of rural life and inland villages are undisturbed.

[物] [电] scattering，radio scattering，scatter，dispersion ；

[例句] 它们不能收集多云天的散射阳光. They cannot concentrate the diffused sunlight of cloudy days.

[例句] 镜面把光反射回散射板. The mirror reflects light back to the scatter plate.

diffuse，emanate，[中医]disperse the internal heat with sudorifics，diverge，breathe ；

[例句] 无穷级数的收敛性与发散性与此概念有关. Convergence and divergence of infinite series depend upon this concept.

[例句] 我们用一块负透镜,它将使光线发散一些. We introduce a negative lens which will diverge the rays a bit.

[物] dispersion，chromatic dispersion ；

[例句] 光被色散成各种波长的单色光. The light is dispersed into its component wave lengths.

[例句] 中性原子间的范德华力叫做色散力. Van der Wals forces between neutral atoms are called dispersion forces.

[物] dissipation，consumption，dissipate，dispersion ；

[例句] 以热量形式耗散的能量 the dissipation of energy in the form of heat

[例句] 这只二级管的耗散功率比那只大8倍. This diode produces about nine times more radiant power than that one.

bulk，in bulk ；

[例句] 这小酒店有几种挺不错的散装啤酒. The pub has several good beers on draft.

[例句] 我慢悠悠地呷着一杯散装啤酒的工夫她已经灌下了两杯白葡萄酒。 She downed two glasses of white wine while I dawdled over a draught beer.

[工] defocus，focus-out，debunching，defocalize ；

[例句] 根据非线性折射率系数的符号,克尔介质分为自聚焦介质和自散焦介质两类. Self - focusing and self - defocusing intensity dependence of the index of the nonlinear medium.

[例句] 提出了基于散焦图像深度测量的一种新方法. A new method for depth measurement based on defocus images was proposed.

[医] astigmatism，astigmia ；

[例句] 也许你在课堂上睡觉是因为你的眼睛散光. Maybe you fall asleep in class because of uncorrected astigmatism.

[例句] 用散光的方法来提取光源在Z轴上的位置。 Using astigmatic method to extract information of light source in z axis.

（集合的人分散开） dismiss，dissolve，disband，disbandment，dissolution ；

[例句] 政客们说这可能会导致议会解散。 Politicians say it could lead to a dissolution of parliament.

[例句] 现在的议会将于4月30日解散。 The present assembly will be dissolved on April 30th.

send out，send forth，distribute，issue，emanate ；

[例句] 有人在入口处散发传单。 There were people at the entrance giving out leaflets.

[例句] 她把一缕散发从眼前甩开。 She shrugged a stray lock of hair out of her eyes.

heat radiation，radiating，thermolysis，abstract heat ；

[例句] 你应装双层玻璃以免散热. You should ensure against loss of heat by having double glazing.

[例句] 他摇下窗子来散热。 He wound down the windows to dissipate the heat.

scatter and disappear，dissipate，[医] elimination，slake，abreaction ；

[例句] 听到这番话，欣兰感到他内心的疑虑顿时消散了。 When he heard these words, Shinran felt his inner doubts melt away.

[例句] 雾消散了,整个月亮出现了. The fog cleared away and the full moon appeared.

sparse，scattered，dispersed，dispersion，evacuate ；

[例句] 疏散中心的孩子正受到疾病的折磨。 Children in evacuation centres are falling prey to disease.

[例句] 一辆疏散大巴的司机被弹片炸伤。 The driver of an evacuation bus was wounded by shrapnel.

[物] astigmatism ；

[例句] 本文研究高屈光度眼用透镜消除离轴像散的非球面化模式. In this paper, model of aspherisation for higher - dioptry spectacle lens is investigated.

[例句] 在腔内插入一定厚度的布儒斯特片可以部分消除腔的像散. The resonator ( astigmatic ) can be compensated by inserting a suitable thickness Brewster plate in the cavity.

free and at leisure，at a loose end，unused，idle，idleness ；

[例句] 他闲散地过了一整天. He lazed about all day.

[例句] 而他这时还在闲散度日, 想着街上该有多么泥泞. Now , however , he idled, thinking how sloppy the streets would be.

disseminate，spread，bruit，diffuse，hawk ；

[例句] 关于他的爱情生活,他们散播了许多不堪的闲言闲语. They spread a lot of tacky gossip about his love life.

[例句] 他到处散播谣言. He buzzed the rumour everywhere.

diffuse，spread out or apart，disperse，scatter，falloff ；

[例句] 他冲进人群，大喊道：“散开。” He charged into the crowd. "Break it up," he shouted.

[例句] 费利克斯看着他的手下像士兵一样散开分成了两队。 Felix watched his men move like soldiers, spreading out into two teams.