4000 Duolingo Vocabulary List

蒸馏,萃取,提炼,提纯 give off  liquid; purify; refine; increase the concentration of

捐赠 grant; present as a gift to a fund or cause; contribute

未决定的,有争执的 disputable; unsettled; open to doubt or debate

失望 feeling of dissatisfaction

城镇商业中心 the commercial center of a town or city

海豚 large slender game fish widely distributed in warm seas; various marine cetacean mammals

腐烂 decompose; break sown; disintegration; rottenness; decline; worsen; decadence

传下,遗传 move downward and lower; come from; be connected by a relationship of blood

分解,(使)腐烂 decay, or to cause something to decay

不赞成 a feeling of disliking something or what someone is doing

十进制的,小数的 of tens; numbered or proceeding by tens; based on ten

分配,分发 distribute; prepare and give out; deal out in parts or portions

哑的 mute; lacking the power of speech

分离,断开 an unbridgeable disparity as from a failure of understanding

清楚的,明确的,确切的 fixed; exact; having distinct limits

使降级,贬低 reduce level; lower grade of something

解冻,除霜 make or become free of frost or ice

持久的,耐用的 lasting; long-lasting; enduring

小心的,谨慎的 free from ostentation or pretension; distinct; distinguishable

子孙,后裔 offspring; person considered as descended from some ancestor or race

脱水,干燥 process of extracting moisture; dryness resulting from the removal of water

使降级,贬低 reduce level; lower grade of something

分配,分发 distribute; prepare and give out; deal out in parts or portions

危险的 full of risk; perilous; hazardous; unsafe

使降级,贬低 reduce level; lower grade of something

使人愉快的 delightful; delicious; extremely pleasing to the sense of taste

营养学家 a specialist in the study of nutrition

清楚的,明确的,确切的 fixed; exact; having distinct limits

城镇商业中心 the commercial center of a town or city

子孙,后裔 offspring; person considered as descended from some ancestor or race

使人愉快的 delightful; delicious; extremely pleasing to the sense of taste

论文(博士生) formal essay;  paper written by a candidate for the doctoral degree at university

赤字,不足额 inadequacy or insufficiency; the sum of money falls short of required amount; shortage

文凭,毕业证书 document certifying the successful completion of a course of study

血统,世袭 ancestry; origin; the descendants of one individual; drop; fall; a movement downward

神,被奉若神明的人或物 god; divinity; supernatural things

滴水石,滤石 protective drip that is made of stone; Calcium carbonate in the form of a stalactite;  filtering-stone

文凭,毕业证书 document certifying the successful completion of a course of study

破坏,毁灭 havoc; event that completely destroys something

掠夺 plundering; destructive action; predatory attack; damage or loss