四级词汇

A tool with two blades used for cutting

剪刀

Having an excessive desire for wealth, food, or possessions

贪婪的，贪得无厌的

A person who tends sheep; to guide or watch over others

牧羊人；引导，照看

Happening once a year (adj.); every year (adv.)

每年的（形容词）；每年（副词）

A brass musical instrument; to play it or announce something loudly

小号，喇叭；吹号；大声宣扬

A word that expresses an action, event, or state of being

动词

Absolutely necessary; impossible to do without

不可或缺的，必不可少的

To rebel against authority; an act of rebellion

反叛，起义；使厌恶

A substance used to color materials; to color with dye

染料；染色

A formal gesture of respect or greeting; to make such a gesture

敬礼；致意

Of or relating to Asia or the East

东方的，亚洲的

A large moving group of insects or people; to gather in large numbers

蜂群，大群；蜂拥，挤满

The act of breaking into or stopping an ongoing activity

打断；中断；干扰

A fastening device; to hold or grip tightly

扣子；紧握；扣紧

A piece of land almost surrounded by water

半岛

Uncertain, unlikely, or causing doubt

可疑的，不确定的，令人怀疑的

To regard with strong contempt or scorn

轻视，鄙视

A firefighter; a person who tends a steam boiler

消防员；司炉工

A private teacher for individuals or small groups; to teach privately

家庭教师，导师；辅导，教导

A soft white rock or stick used for writing; to write or mark with chalk

白垩；粉笔；用粉笔写

An enclosed device producing intense heat for heating or industrial use

火炉，熔炉，锅炉

Noon; twelve o'clock in the day

正午，中午

A person who cuts hair and trims beards (n.); to cut someone's hair (v.)

理发师（名词）；为……理发（动词）

Lively, quick, and energetic

轻快的，活泼的

Serious, dignified, and deeply sincere

严肃的；庄严的；郑重的

To fear greatly; great fear or anxiety about something

恐惧，害怕；极度的恐惧感

A chemistry scientist; (British) a pharmacist or drugstore

化学家；（英式）药剂师，药房

The set of letters used in writing a language, arranged in a fixed order

字母表；字母系统

Writing done by hand; a person's characteristic style of writing

手写；笔迹

To contaminate with harmful substances; to corrupt

污染；弄脏；玷污

Lacking physical coordination or grace; not skillful or tactful; awkward to use or handle

笨拙的；不灵巧的；不得体的

Unique or extraordinary; the grammatical form referring to one person or thing

独特的，非凡的；单数形式

A series of wound loops; to wind into loops

线圈，盘绕物；盘绕，卷绕

To reach a conclusion by reasoning from evidence

推断，推论

A prisoner; held captive and unable to escape

俘虏；被俘的，被关押的

A pathogenic microorganism; the earliest stage of an organism; the origin of an idea

细菌，病菌；胚芽；萌芽，起源

Bold and willing to take risks; boldness

大胆的；勇气

A porous material used for washing; to clean with a sponge; to live off others

海绵；用海绵擦拭；揩油

Not needed; unnecessary

不必要的，多余的

A loud shrill cry; to scream shrilly

尖叫声；尖叫

The branch of physics studying light and vision

光学

A refrigerator; an appliance for keeping food cold

冰箱，电冰箱

The width of something; the wide range or scope of knowledge or ability

宽度；广度，广博

No longer existing or living; having died out completely

灭绝的，绝种的；熄灭的

A cabinet with shelves for storing food or dishes

橱柜，碗柜

To severely damage or disable; a person with serious physical impairment

使残废；严重损坏；残疾人

Sheltered from sunlight; suspicious or dishonest

荫凉的；可疑的；不正当的

The distance from centre to edge of a circle; the forearm bone on the thumb side

半径；桡骨