/dɪ'zɒlv; dɪ`zɑlv/
v
1 (a) [Tn] (of a liquid) make (a solid) become liquid （指液体）使（固体）溶解
*Water dissolves salt. 水能溶解盐.
(b) [I, Ipr] ~ (in sth) (of a solid) become part of a liquid （指固体）溶解
*Salt dissolves in water. 盐在水中溶解.
(c) [Tn, Tn.pr] ~ sth (in sth) cause (a solid) to dissolve 使（固体）溶解
*Dissolve the salt in water. 使盐在水中溶解.
2 [Tn, Tn.p] ~ sth (away) remove or destroy (sth solid, esp dirt) 除去, 消除（某固体物质, 尤指脏物）
*The cream dissolves facial hair. 这种化妆品能清除脸上的汗毛.
* a powder that dissolves stains away 消除色斑的粉剂.
3 [I, Ipr] ~ (in sth) disappear; fade away 消失; 消散
*All his hopes dissolved at the terrible news. 那个极坏的消息使他的一切希望都破灭了.
* The view dissolved in mist. 那景色在雾中消失了.
4 [I, Tn] (cause sth to) come to an end （使某事物）终止, 结束, 解除, 解散
*Parliament dissolves tomorrow. 议会定于明日解散.
* dissolve a business partnership, marriage, society, etc 结束商业合伙关系、解除婚姻关系、解散会社.
5 [Ipr] ~ in sth give way to emotion 情不自禁
*dissolve in tears/laughter/giggles 不禁潸然泪下[哈哈大笑/咯咯地笑].

v

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1【become part of liquid】
2【end】
3【emotion】
4【become weaker】

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[Date: 1300-1400; Language: Latin;Origin: dissolvere, from solvere 'to loosen']
【BECOME PART OF LIQUID】
a) [I and T]
if a solid dissolves, or if you dissolve it, it mixes with a liquid and becomes part of it
　Stir until the sugar dissolves.
dissolve in
　Sugar dissolves in water.
dissolve sth in sth
　Dissolve the tablet in water.
【END】 [T]
to formally end a parliament, business arrangement, marriage etc
　The monarch had the power to dissolve parliament.
【EMOTION】
dissolve into/in laughter/tears etc
to start laughing or crying
　She dissolved into fits of laughter.
【BECOME WEAKER】 [I and T]
to gradually become smaller or weaker before disappearing, or to make something do this
　Her enthusiasm dissolved his shyness.
　A few clouds formed briefly before dissolving again.