[VERB 动词](通常指因位置改变而)消失，不见 If you say that someone or something disappears, you mean that you can no longer see them, usually because you or they have changed position.
[V]
[V prep]
The black car drove away from them and disappeared...
那辆黑色轿车驶离了他们的视线。
Clive disappeared into a room by himself...
克莱夫独自一人进了屋。
The airliner disappeared off their radar.
那架班机从他们的雷达屏幕上消失了。
2
[VERB 动词]消失；失踪 If someone or something disappears, they go away or are taken away somewhere where nobody can find them.
[V]
...a Japanese woman who disappeared thirteen years ago...
一个 13 年前失踪的日本女人
Janet's husband and sister noticed that small kitchen objects were disappearing with increasing regularity.
珍妮特的丈夫和她的姐姐发现厨房里的小物件经常不翼而飞，而且次数愈发频繁。
3
[VERB 动词]不复存在；灭绝；消亡 If something disappears, it stops existing or happening.
[V]
The immediate security threat has disappeared.
直接的安全威胁已不复存在了。
Oxford
dis·ap·pear★/ˌdɪsəˈpɪə(r); NAmEˌdɪsəˈpɪr/verb1★[intransitive ](+ adv./prep.)to become impossible to see 消失；不见SYN
vanish
◆The plane disappeared behind a cloud.飞机消失在云层里。◆Lisa watched until the train disappeared from view.莉萨一直看着火车从视线中消失。2★[intransitive ]to stop existing 不复存在；灭绝；消亡SYN
vanish
◆Her nervousness quickly disappeared once she was on stage.她一走上台紧张情绪便迅速消失了。◆The problem won't just disappear.这个问题不会就这样不了了之的。◆Our countryside is disappearing at an alarming rate.我们的农村地区正在以惊人的速度消亡。3★[intransitive ]to be lost or impossible to find 失踪；丢失SYN
vanish
◆I can never find a pen in this house. They disappear as soon as I buy them.我在家里从来找不到一支笔。每次我一买来就不翼而飞。disappearfrom sth ◆The child disappeared from his home some time after four.这孩子四点多的时候就离家不见了。▶dis·ap·pear·ancedisappearancedisappearances/ˌdɪsəˈpɪərəns; NAmEˌdɪsəˈpɪrəns/noun[uncountable , countable ]◆the disappearance of many species of plants and animals from our planet许多动植物物种从我们这颗行星上的消失◆Police are investigating the disappearance of a young woman.警方正在调查一位年轻女子的失踪案。IDIOMsee
1to become impossible to see any longerSYN vanishOPP appeardisappear behind/under/into etc The sun had disappeared behind a cloud.disappear from view/sight David watched her car until it disappeared from view. At this point the path seemed to disappear altogether (=disappear completely).2to be lost, or to become impossible to findSYN vanish: The two girls disappeared while walking home from school. My keys have disappeared again.disappear without trace British English, without a trace American English (=without any way of finding them) 75,000 soldiers simply disappeared without trace.3to stop existing: The rain forest may disappear forever.COLLOCATIONS– Meaning 2adverbssimply disappear (=used to emphasize that it is very strange)· After two weeks it seemed that the boys had simply disappeared.completely/totally disappear· My spectacles have completely disappeared again.mysteriously disappear (=in a way that no one can explain)· Several reporters in the area have mysteriously disappeared.suddenly disappear· The ship had suddenly disappeared in calm waters.phrasesdisappear without a trace (also disappear without trace British English) (=completely)· Hundreds of people disappear without trace every year.disappear into thin air (=completely)· The money he made has disappeared into thin air.THESAURUSdisappear if something disappears, you cannot see it any longer, or it does not exist any longer: · The sun slowly disappeared over the horizon.· Millions of people saw their savings disappear.· 16% of the forest cover has disappeared during the last 100 years.vanish to completely disappear, especially suddenly: · The boat vanished without trace off the coast of Australia.· All hopes of finding the boy alive have vanished.· The fields have vanished beneath a new town of skyscrapers and motorways.go away to stop existing – used about something bad such as a pain or a problem: · I wish this headache would go away.· I’m afraid the problem won’t just go away.fade away to gradually become less clear, strong, or bright, and finally disappear: · Her voice began to fade away.· His anger slowly faded away.· The last rays of the evening sun were fading away.melt away especially literary to disappear, especially gradually – used about feelings or groups of people: · The crowd began to melt away.· His initial excitement had melted away.die out to stop existing after gradually becoming more and more rare – used about a type of animal or plant, a disease, or a custom: · Wolves had died out in much of Europe.· Many of the old childhood diseases have almost died out.become extinct if a type of animal or plant becomes extinct, it stops existing: · Dinosaurs became extinct millions of years ago.· If nothing is done to save the whales, they will soon become extinct.