4000 Duolingo Vocabulary List

破坏 weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath

蜂蜡,蜡状物 any of various natural, oily, or greasy heat-sensitive substances

变数,变量 factor; something that is likely to vary; changeable; inconstant

不稳定的 inconstant; variable; lacking control of one's emotions; constantly changing

火山 fissure in the earth's crust through which molten lava and gases erupt

荒野,荒凉的地方 a tract of land or region, uncultivated and uninhabited, whether a forest or a wide, barren plain; wild or desert

挥发的,飞行的,可变的,爆炸的 tending to vary often or widely, as in price; inconstant or fickle; tending to violence

失业 not having a job; condition of being unemployed; state of being unused

不稳定的 inconstant; variable; lacking control of one's emotions; constantly changing

失业的 jobless; idle; out of work

苍白的,光滑的 paleness; smooth and lustrous; consisting of, abounding in or covered with wax

冒险(事业),投机活动 put at risk; adventure

怪诞的,奇异的 queer; of a strikingly odd or unusual character; strange

冒险(事业),投机活动 put at risk; adventure

[鸟]织巢鸟之一种 finch-like colonial birds noted for their elaborately woven nests

完全的,绝对的,完整的 complete; absolute; entire

空白,空缺 space or place that is available to be used; emptiness

隐藏,遮蔽,面纱 a length of cloth worn by women over the head, shoulders, and often the face; cover; hide

失业的 jobless; idle; out of work

火山的 explosively unstable;  relating to volcanoes

呵欠 open the mouth wide with a deep inhalation, usually involuntarily from drowsiness, fatigue, or boredom

机警的,警惕的 attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect; wary

独特,独一无二 singularity; specialty; quality of being one of a kind

正当的,有效的 logically convincing; sound; legally acceptable

消失,灭绝 disappear; pass out of sight, especially quickly; die out

失业的 jobless; idle; out of work

不加疑问的,不犹豫的 not inclined to ask questions; being without doubt or reserve

破坏 weaken by wearing away base or foundation; injure or impair; dig a mine or tunnel beneath

当时,有时,时时 while;  at the same time

热心的,狂热的 enthusiastic; filled with or motivated by zeal

不稳定的 inconstant; variable; lacking control of one's emotions; constantly changing

隐藏,遮蔽,面纱 a length of cloth worn by women over the head, shoulders, and often the face; cover; hide

全世界的 global; universal; throughout the world

隐藏,遮蔽,面纱 a length of cloth worn by women over the head, shoulders, and often the face; cover; hide

相反,反之 used to state what you have just said is also true in the opposite order

失业 not having a job; condition of being unemployed; state of being unused

婚礼 marriage ceremony; an act of marrying; the anniversary of a marriage

机警的,警惕的 attentive to discover and avoid danger, or to provide for safety; wakeful; watchful; circumspect; wary

但是,相反,鉴于,因 while on the contrary; while at the same time

自愿的,志愿的 done or undertaken of one's own free will; unforced