消失的英文：
disappear
fade away

参考例句：

The mountains were shadowing into Blackness.
群山消失在黑暗中。

The massage had melted his hurt.
按摩让他的疼痛消失了。

The noise swooned away.
闹声渐渐消失了。

plasma disappearance
等离子体消失,等离子体失踪

The aircraft was swallowed (up) in the clouds.
飞机消失在云层中。

He seemed to vanish into thin air.
他不留痕迹地消失了。

In fact, the sanctions are gradually abating.
事实上，制裁正在逐渐消失。

Many of the symptoms will regress or disappear
许多症状将减轻或消失。

All worldly distinctions have ceased.
一切世俗的分歧都消失了。

Sinus arrhythmia also tends to disappear with advancing age
随着年龄的增长，窦性心律不齐也趋于消失。

disappear是什么意思：
v. 消失，失踪；不复存在；灭绝

The satellite disappeared in a wink.
瞬息之间，那颗卫星就消失了。

Their power and energy began to disappear.
他们的力量和精力不复存在了。

to lose; to miss; to disappear; to mislay
遗失

fade是什么意思：
v.（使）褪色；凋谢，枯萎；（声音等）变微弱；（光等）变暗淡

The flowers faded for want of water.
花儿因缺水而凋谢了。

The flowers in their hair are pale and faded.
她们发上的花朵已经褪色枯萎了。

These sunproof curtains will not fade.
这些耐晒的窗帘不褪色。

away是什么意思：
adv. 在远处；离开，远离；消失

to kick away; to spurn away
一脚踢开

to die away; to fade away; to vanish; to elapse; to wear away
消逝

She barked the boy away.
她把那男孩喝走了。