early 15c., from Latin dissipatus, past participle of dissipare "to spread abroad, scatter, disperse; squander, disintegrate," from dis- "apart" (see dis-) + supare "to throw, scatter," from PIE *swep- "to throw, sling, cast" (cognates: Lithuanian supu "to swing, rock," Old Church Slavonic supo "to strew"). Related: Dissipated; dissipates; dissipating.
权威例句
1. Don't dissipate your efforts.
不要浪费你的精力.
2. He wound down the windows to dissipate the heat.
他摇下窗子来散热。
3. The body must dissipate heat as fast as it produces it.
人体散发热量必须和产生热量一样快.
4. One of the ways to dissipate perspiration is by convection.